Home / 104,980,761.10-157,471,141.65-66,528,052.30

Finding the Fourth Proportional to 104,980,761.10, 157,471,141.65 and 66,528,052.30

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Solution

The fourth proportional to 104,980,761.10, 157,471,141.65 and 66,528,052.30 is: 99,792,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980,761.10 : 157,471,141.65 = 66,528,052.30 : x
  2. Step 2: Convert to fraction form
    104,980,761.10/157,471,141.65 = 66,528,052.30/x
  3. Step 3: Cross multiply
    104,980,761.10x = 157,471,141.65 × 66,528,052.30
  4. Step 4: Simplify right side
    104,980,761.10x = 10,476,248,347,431,908
  5. Step 5: Solve for x
    x = 10,476,248,347,431,908/104,980,761.10
  6. Step 6: Final answer
    x = 99,792,078.45

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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.