Home / 302,429,272.80-453,643,909.20-87,018,520.80

Finding the Fourth Proportional to 302,429,272.80, 453,643,909.20 and 87,018,520.80

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Solution

The fourth proportional to 302,429,272.80, 453,643,909.20 and 87,018,520.80 is: 130,527,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429,272.80 : 453,643,909.20 = 87,018,520.80 : x
  2. Step 2: Convert to fraction form
    302,429,272.80/453,643,909.20 = 87,018,520.80/x
  3. Step 3: Cross multiply
    302,429,272.80x = 453,643,909.20 × 87,018,520.80
  4. Step 4: Simplify right side
    302,429,272.80x = 39,475,421,948,513,512
  5. Step 5: Solve for x
    x = 39,475,421,948,513,512/302,429,272.80
  6. Step 6: Final answer
    x = 130,527,781.20

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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.