Home / 83,137,709.60-124,706,564.40-37,788,077.60

Finding the Fourth Proportional to 83,137,709.60, 124,706,564.40 and 37,788,077.60

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Solution

The fourth proportional to 83,137,709.60, 124,706,564.40 and 37,788,077.60 is: 56,682,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,137,709.60 : 124,706,564.40 = 37,788,077.60 : x
  2. Step 2: Convert to fraction form
    83,137,709.60/124,706,564.40 = 37,788,077.60/x
  3. Step 3: Cross multiply
    83,137,709.60x = 124,706,564.40 × 37,788,077.60
  4. Step 4: Simplify right side
    83,137,709.60x = 4,712,421,332,776,598
  5. Step 5: Solve for x
    x = 4,712,421,332,776,598/83,137,709.60
  6. Step 6: Final answer
    x = 56,682,116.40

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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.