Home / 201,465,470.80-302,198,206.20-65,164,632.40

Finding the Fourth Proportional to 201,465,470.80, 302,198,206.20 and 65,164,632.40

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Solution

The fourth proportional to 201,465,470.80, 302,198,206.20 and 65,164,632.40 is: 97,746,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,470.80 : 302,198,206.20 = 65,164,632.40 : x
  2. Step 2: Convert to fraction form
    201,465,470.80/302,198,206.20 = 65,164,632.40/x
  3. Step 3: Cross multiply
    201,465,470.80x = 302,198,206.20 × 65,164,632.40
  4. Step 4: Simplify right side
    201,465,470.80x = 19,692,635,018,962,400
  5. Step 5: Solve for x
    x = 19,692,635,018,962,400/201,465,470.80
  6. Step 6: Final answer
    x = 97,746,948.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.