Home / 130,805,583.60-180,511,623.16-72,068,248.16

Finding the Fourth Proportional to 130,805,583.60, 180,511,623.16 and 72,068,248.16

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Solution

The fourth proportional to 130,805,583.60, 180,511,623.16 and 72,068,248.16 is: 99,454,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,805,583.60 : 180,511,623.16 = 72,068,248.16 : x
  2. Step 2: Convert to fraction form
    130,805,583.60/180,511,623.16 = 72,068,248.16/x
  3. Step 3: Cross multiply
    130,805,583.60x = 180,511,623.16 × 72,068,248.16
  4. Step 4: Simplify right side
    130,805,583.60x = 13,009,156,453,253,472
  5. Step 5: Solve for x
    x = 13,009,156,453,253,472/130,805,583.60
  6. Step 6: Final answer
    x = 99,454,137.17

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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.