Home / 121,277,358.90-181,916,038.35-48,458,132.10

Finding the Fourth Proportional to 121,277,358.90, 181,916,038.35 and 48,458,132.10

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Solution

The fourth proportional to 121,277,358.90, 181,916,038.35 and 48,458,132.10 is: 72,687,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,358.90 : 181,916,038.35 = 48,458,132.10 : x
  2. Step 2: Convert to fraction form
    121,277,358.90/181,916,038.35 = 48,458,132.10/x
  3. Step 3: Cross multiply
    121,277,358.90x = 181,916,038.35 × 48,458,132.10
  4. Step 4: Simplify right side
    121,277,358.90x = 8,815,311,417,472,966
  5. Step 5: Solve for x
    x = 8,815,311,417,472,966/121,277,358.90
  6. Step 6: Final answer
    x = 72,687,198.15

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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.