Home / 92,538,811.76-137,980,896.20-89,996,364.80

Finding the Fourth Proportional to 92,538,811.76, 137,980,896.20 and 89,996,364.80

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Solution

The fourth proportional to 92,538,811.76, 137,980,896.20 and 89,996,364.80 is: 134,189,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538,811.76 : 137,980,896.20 = 89,996,364.80 : x
  2. Step 2: Convert to fraction form
    92,538,811.76/137,980,896.20 = 89,996,364.80/x
  3. Step 3: Cross multiply
    92,538,811.76x = 137,980,896.20 × 89,996,364.80
  4. Step 4: Simplify right side
    92,538,811.76x = 12,417,779,069,381,220
  5. Step 5: Solve for x
    x = 12,417,779,069,381,220/92,538,811.76
  6. Step 6: Final answer
    x = 134,189,955.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.