Home / 91,859,070.60-137,788,605.90-89,733,306.60

Finding the Fourth Proportional to 91,859,070.60, 137,788,605.90 and 89,733,306.60

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Solution

The fourth proportional to 91,859,070.60, 137,788,605.90 and 89,733,306.60 is: 134,599,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859,070.60 : 137,788,605.90 = 89,733,306.60 : x
  2. Step 2: Convert to fraction form
    91,859,070.60/137,788,605.90 = 89,733,306.60/x
  3. Step 3: Cross multiply
    91,859,070.60x = 137,788,605.90 × 89,733,306.60
  4. Step 4: Simplify right side
    91,859,070.60x = 12,364,227,219,211,268
  5. Step 5: Solve for x
    x = 12,364,227,219,211,268/91,859,070.60
  6. Step 6: Final answer
    x = 134,599,959.90

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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.