Home / 81,775,688.40-122,663,532.60-58,817,437.20

Finding the Fourth Proportional to 81,775,688.40, 122,663,532.60 and 58,817,437.20

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Solution

The fourth proportional to 81,775,688.40, 122,663,532.60 and 58,817,437.20 is: 88,226,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,775,688.40 : 122,663,532.60 = 58,817,437.20 : x
  2. Step 2: Convert to fraction form
    81,775,688.40/122,663,532.60 = 58,817,437.20/x
  3. Step 3: Cross multiply
    81,775,688.40x = 122,663,532.60 × 58,817,437.20
  4. Step 4: Simplify right side
    81,775,688.40x = 7,214,754,625,430,653
  5. Step 5: Solve for x
    x = 7,214,754,625,430,653/81,775,688.40
  6. Step 6: Final answer
    x = 88,226,155.80

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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.