Home / 99,762,607.10-149,643,910.65-65,498,440.70

Finding the Fourth Proportional to 99,762,607.10, 149,643,910.65 and 65,498,440.70

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Solution

The fourth proportional to 99,762,607.10, 149,643,910.65 and 65,498,440.70 is: 98,247,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,762,607.10 : 149,643,910.65 = 65,498,440.70 : x
  2. Step 2: Convert to fraction form
    99,762,607.10/149,643,910.65 = 65,498,440.70/x
  3. Step 3: Cross multiply
    99,762,607.10x = 149,643,910.65 × 65,498,440.70
  4. Step 4: Simplify right side
    99,762,607.10x = 9,801,442,807,825,124
  5. Step 5: Solve for x
    x = 9,801,442,807,825,124/99,762,607.10
  6. Step 6: Final answer
    x = 98,247,661.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.