Home / 83,001,372.60-124,537,488.30-39,848,363.40

Finding the Fourth Proportional to 83,001,372.60, 124,537,488.30 and 39,848,363.40

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Solution

The fourth proportional to 83,001,372.60, 124,537,488.30 and 39,848,363.40 is: 59,789,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,372.60 : 124,537,488.30 = 39,848,363.40 : x
  2. Step 2: Convert to fraction form
    83,001,372.60/124,537,488.30 = 39,848,363.40/x
  3. Step 3: Cross multiply
    83,001,372.60x = 124,537,488.30 × 39,848,363.40
  4. Step 4: Simplify right side
    83,001,372.60x = 4,962,615,090,701,648
  5. Step 5: Solve for x
    x = 4,962,615,090,701,648/83,001,372.60
  6. Step 6: Final answer
    x = 59,789,554.50

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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.