Home / 83,712,846.60-125,569,269.90-61,038,030.60

Finding the Fourth Proportional to 83,712,846.60, 125,569,269.90 and 61,038,030.60

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Solution

The fourth proportional to 83,712,846.60, 125,569,269.90 and 61,038,030.60 is: 91,557,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,712,846.60 : 125,569,269.90 = 61,038,030.60 : x
  2. Step 2: Convert to fraction form
    83,712,846.60/125,569,269.90 = 61,038,030.60/x
  3. Step 3: Cross multiply
    83,712,846.60x = 125,569,269.90 × 61,038,030.60
  4. Step 4: Simplify right side
    83,712,846.60x = 7,664,500,938,575,859
  5. Step 5: Solve for x
    x = 7,664,500,938,575,859/83,712,846.60
  6. Step 6: Final answer
    x = 91,557,045.90

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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.