Home / 125,540,962.92-188,312,045.80-38,103,239.45

Finding the Fourth Proportional to 125,540,962.92, 188,312,045.80 and 38,103,239.45

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Solution

The fourth proportional to 125,540,962.92, 188,312,045.80 and 38,103,239.45 is: 57,155,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540,962.92 : 188,312,045.80 = 38,103,239.45 : x
  2. Step 2: Convert to fraction form
    125,540,962.92/188,312,045.80 = 38,103,239.45/x
  3. Step 3: Cross multiply
    125,540,962.92x = 188,312,045.80 × 38,103,239.45
  4. Step 4: Simplify right side
    125,540,962.92x = 7,175,298,972,436,768
  5. Step 5: Solve for x
    x = 7,175,298,972,436,768/125,540,962.92
  6. Step 6: Final answer
    x = 57,155,041.71

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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.