Home / 123,919,057.80-185,896,301.40-42,041,714.40

Finding the Fourth Proportional to 123,919,057.80, 185,896,301.40 and 42,041,714.40

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Solution

The fourth proportional to 123,919,057.80, 185,896,301.40 and 42,041,714.40 is: 63,068,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,919,057.80 : 185,896,301.40 = 42,041,714.40 : x
  2. Step 2: Convert to fraction form
    123,919,057.80/185,896,301.40 = 42,041,714.40/x
  3. Step 3: Cross multiply
    123,919,057.80x = 185,896,301.40 × 42,041,714.40
  4. Step 4: Simplify right side
    123,919,057.80x = 7,815,399,211,475,120
  5. Step 5: Solve for x
    x = 7,815,399,211,475,120/123,919,057.80
  6. Step 6: Final answer
    x = 63,068,581.62

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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.