Home / 356,176,031.60-533,953,007.40-137,975,250.80

Finding the Fourth Proportional to 356,176,031.60, 533,953,007.40 and 137,975,250.80

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Solution

The fourth proportional to 356,176,031.60, 533,953,007.40 and 137,975,250.80 is: 206,842,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,176,031.60 : 533,953,007.40 = 137,975,250.80 : x
  2. Step 2: Convert to fraction form
    356,176,031.60/533,953,007.40 = 137,975,250.80/x
  3. Step 3: Cross multiply
    356,176,031.60x = 533,953,007.40 × 137,975,250.80
  4. Step 4: Simplify right side
    356,176,031.60x = 73,672,300,111,429,264
  5. Step 5: Solve for x
    x = 73,672,300,111,429,264/356,176,031.60
  6. Step 6: Final answer
    x = 206,842,385.72

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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.