Home / 73,808,312.20-110,711,885.10-19,220,792.20

Finding the Fourth Proportional to 73,808,312.20, 110,711,885.10 and 19,220,792.20

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Solution

The fourth proportional to 73,808,312.20, 110,711,885.10 and 19,220,792.20 is: 28,831,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,808,312.20 : 110,711,885.10 = 19,220,792.20 : x
  2. Step 2: Convert to fraction form
    73,808,312.20/110,711,885.10 = 19,220,792.20/x
  3. Step 3: Cross multiply
    73,808,312.20x = 110,711,885.10 × 19,220,792.20
  4. Step 4: Simplify right side
    73,808,312.20x = 2,127,970,137,577,376
  5. Step 5: Solve for x
    x = 2,127,970,137,577,376/73,808,312.20
  6. Step 6: Final answer
    x = 28,831,036.43

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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.