Home / 55,908,139.20-83,812,345.20-21,821,557.20

Finding the Fourth Proportional to 55,908,139.20, 83,812,345.20 and 21,821,557.20

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Solution

The fourth proportional to 55,908,139.20, 83,812,345.20 and 21,821,557.20 is: 32,712,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908,139.20 : 83,812,345.20 = 21,821,557.20 : x
  2. Step 2: Convert to fraction form
    55,908,139.20/83,812,345.20 = 21,821,557.20/x
  3. Step 3: Cross multiply
    55,908,139.20x = 83,812,345.20 × 21,821,557.20
  4. Step 4: Simplify right side
    55,908,139.20x = 1,828,915,884,847,945.50
  5. Step 5: Solve for x
    x = 1,828,915,884,847,945.50/55,908,139.20
  6. Step 6: Final answer
    x = 32,712,873.49

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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.