Home / 137,109,702.48-189,214,870.77-75,230,024.64

Finding the Fourth Proportional to 137,109,702.48, 189,214,870.77 and 75,230,024.64

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Solution

The fourth proportional to 137,109,702.48, 189,214,870.77 and 75,230,024.64 is: 103,819,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,109,702.48 : 189,214,870.77 = 75,230,024.64 : x
  2. Step 2: Convert to fraction form
    137,109,702.48/189,214,870.77 = 75,230,024.64/x
  3. Step 3: Cross multiply
    137,109,702.48x = 189,214,870.77 × 75,230,024.64
  4. Step 4: Simplify right side
    137,109,702.48x = 14,234,639,390,281,516
  5. Step 5: Solve for x
    x = 14,234,639,390,281,516/137,109,702.48
  6. Step 6: Final answer
    x = 103,819,344.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.