Home / 55,998,456.90-83,997,685.35-47,778,836.10

Finding the Fourth Proportional to 55,998,456.90, 83,997,685.35 and 47,778,836.10

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Solution

The fourth proportional to 55,998,456.90, 83,997,685.35 and 47,778,836.10 is: 71,668,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998,456.90 : 83,997,685.35 = 47,778,836.10 : x
  2. Step 2: Convert to fraction form
    55,998,456.90/83,997,685.35 = 47,778,836.10/x
  3. Step 3: Cross multiply
    55,998,456.90x = 83,997,685.35 × 47,778,836.10
  4. Step 4: Simplify right side
    55,998,456.90x = 4,013,311,641,117,021
  5. Step 5: Solve for x
    x = 4,013,311,641,117,021/55,998,456.90
  6. Step 6: Final answer
    x = 71,668,254.15

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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.