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Finding the Fourth Proportional to 88,068,603.60, 132,102,905.40 and 65,110,352.40

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Solution

The fourth proportional to 88,068,603.60, 132,102,905.40 and 65,110,352.40 is: 97,665,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068,603.60 : 132,102,905.40 = 65,110,352.40 : x
  2. Step 2: Convert to fraction form
    88,068,603.60/132,102,905.40 = 65,110,352.40/x
  3. Step 3: Cross multiply
    88,068,603.60x = 132,102,905.40 × 65,110,352.40
  4. Step 4: Simplify right side
    88,068,603.60x = 8,601,266,723,657,863
  5. Step 5: Solve for x
    x = 8,601,266,723,657,863/88,068,603.60
  6. Step 6: Final answer
    x = 97,665,528.60

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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.