Home / 82,944,431.20-124,478,854.80-42,534,114.40

Finding the Fourth Proportional to 82,944,431.20, 124,478,854.80 and 42,534,114.40

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Solution

The fourth proportional to 82,944,431.20, 124,478,854.80 and 42,534,114.40 is: 63,833,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,431.20 : 124,478,854.80 = 42,534,114.40 : x
  2. Step 2: Convert to fraction form
    82,944,431.20/124,478,854.80 = 42,534,114.40/x
  3. Step 3: Cross multiply
    82,944,431.20x = 124,478,854.80 × 42,534,114.40
  4. Step 4: Simplify right side
    82,944,431.20x = 5,294,597,850,444,189
  5. Step 5: Solve for x
    x = 5,294,597,850,444,189/82,944,431.20
  6. Step 6: Final answer
    x = 63,833,072.02

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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.