Home / 157,466,128.10-236,199,192.15-79,982,030.30

Finding the Fourth Proportional to 157,466,128.10, 236,199,192.15 and 79,982,030.30

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Solution

The fourth proportional to 157,466,128.10, 236,199,192.15 and 79,982,030.30 is: 119,973,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466,128.10 : 236,199,192.15 = 79,982,030.30 : x
  2. Step 2: Convert to fraction form
    157,466,128.10/236,199,192.15 = 79,982,030.30/x
  3. Step 3: Cross multiply
    157,466,128.10x = 236,199,192.15 × 79,982,030.30
  4. Step 4: Simplify right side
    157,466,128.10x = 18,891,690,943,376,820
  5. Step 5: Solve for x
    x = 18,891,690,943,376,820/157,466,128.10
  6. Step 6: Final answer
    x = 119,973,045.45

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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.