Home / 252,653,238.90-379,016,009.95-77,791,068.17

Finding the Fourth Proportional to 252,653,238.90, 379,016,009.95 and 77,791,068.17

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Solution

The fourth proportional to 252,653,238.90, 379,016,009.95 and 77,791,068.17 is: 116,697,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653,238.90 : 379,016,009.95 = 77,791,068.17 : x
  2. Step 2: Convert to fraction form
    252,653,238.90/379,016,009.95 = 77,791,068.17/x
  3. Step 3: Cross multiply
    252,653,238.90x = 379,016,009.95 × 77,791,068.17
  4. Step 4: Simplify right side
    252,653,238.90x = 29,484,060,265,452,292
  5. Step 5: Solve for x
    x = 29,484,060,265,452,292/252,653,238.90
  6. Step 6: Final answer
    x = 116,697,733.20

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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.