Home / 39,811,031,710.09-54,939,411,011.20-21,746,798,535.72

Finding the Fourth Proportional to 39,811,031,710.09, 54,939,411,011.20 and 21,746,798,535.72

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Solution

The fourth proportional to 39,811,031,710.09, 54,939,411,011.20 and 21,746,798,535.72 is: 30,010,684,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811,031,710.09 : 54,939,411,011.20 = 21,746,798,535.72 : x
  2. Step 2: Convert to fraction form
    39,811,031,710.09/54,939,411,011.20 = 21,746,798,535.72/x
  3. Step 3: Cross multiply
    39,811,031,710.09x = 54,939,411,011.20 × 21,746,798,535.72
  4. Step 4: Simplify right side
    39,811,031,710.09x = 1,194,756,302,931,562,070,016
  5. Step 5: Solve for x
    x = 1,194,756,302,931,562,070,016/39,811,031,710.09
  6. Step 6: Final answer
    x = 30,010,684,265.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.