Home / 100,927,142.73-139,279,517.98-54,517,417.16

Finding the Fourth Proportional to 100,927,142.73, 139,279,517.98 and 54,517,417.16

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Solution

The fourth proportional to 100,927,142.73, 139,279,517.98 and 54,517,417.16 is: 75,234,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,142.73 : 139,279,517.98 = 54,517,417.16 : x
  2. Step 2: Convert to fraction form
    100,927,142.73/139,279,517.98 = 54,517,417.16/x
  3. Step 3: Cross multiply
    100,927,142.73x = 139,279,517.98 × 54,517,417.16
  4. Step 4: Simplify right side
    100,927,142.73x = 7,593,159,582,862,983
  5. Step 5: Solve for x
    x = 7,593,159,582,862,983/100,927,142.73
  6. Step 6: Final answer
    x = 75,234,068.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.