Home / 55,980,083.18-83,935,482.68-21,861,308.54

Finding the Fourth Proportional to 55,980,083.18, 83,935,482.68 and 21,861,308.54

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Solution

The fourth proportional to 55,980,083.18, 83,935,482.68 and 21,861,308.54 is: 32,778,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,980,083.18 : 83,935,482.68 = 21,861,308.54 : x
  2. Step 2: Convert to fraction form
    55,980,083.18/83,935,482.68 = 21,861,308.54/x
  3. Step 3: Cross multiply
    55,980,083.18x = 83,935,482.68 × 21,861,308.54
  4. Step 4: Simplify right side
    55,980,083.18x = 1,834,939,484,321,306.25
  5. Step 5: Solve for x
    x = 1,834,939,484,321,306.25/55,980,083.18
  6. Step 6: Final answer
    x = 32,778,434.40

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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.