Home / 125,540,962.82-188,312,045.65-38,103,239.35

Finding the Fourth Proportional to 125,540,962.82, 188,312,045.65 and 38,103,239.35

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Solution

The fourth proportional to 125,540,962.82, 188,312,045.65 and 38,103,239.35 is: 57,155,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540,962.82 : 188,312,045.65 = 38,103,239.35 : x
  2. Step 2: Convert to fraction form
    125,540,962.82/188,312,045.65 = 38,103,239.35/x
  3. Step 3: Cross multiply
    125,540,962.82x = 188,312,045.65 × 38,103,239.35
  4. Step 4: Simplify right side
    125,540,962.82x = 7,175,298,948,173,096
  5. Step 5: Solve for x
    x = 7,175,298,948,173,096/125,540,962.82
  6. Step 6: Final answer
    x = 57,155,041.57

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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.