Home / 71,124,767,244.38-106,693,421,910.23-20,073,518,691.06

Finding the Fourth Proportional to 71,124,767,244.38, 106,693,421,910.23 and 20,073,518,691.06

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Solution

The fourth proportional to 71,124,767,244.38, 106,693,421,910.23 and 20,073,518,691.06 is: 30,112,047,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,124,767,244.38 : 106,693,421,910.23 = 20,073,518,691.06 : x
  2. Step 2: Convert to fraction form
    71,124,767,244.38/106,693,421,910.23 = 20,073,518,691.06/x
  3. Step 3: Cross multiply
    71,124,767,244.38x = 106,693,421,910.23 × 20,073,518,691.06
  4. Step 4: Simplify right side
    71,124,767,244.38x = 2,141,712,398,927,938,715,648
  5. Step 5: Solve for x
    x = 2,141,712,398,927,938,715,648/71,124,767,244.38
  6. Step 6: Final answer
    x = 30,112,047,911.09

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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.