Home / 130,749,295.92-180,426,944.52-72,000,475.44

Finding the Fourth Proportional to 130,749,295.92, 180,426,944.52 and 72,000,475.44

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Solution

The fourth proportional to 130,749,295.92, 180,426,944.52 and 72,000,475.44 is: 99,356,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,749,295.92 : 180,426,944.52 = 72,000,475.44 : x
  2. Step 2: Convert to fraction form
    130,749,295.92/180,426,944.52 = 72,000,475.44/x
  3. Step 3: Cross multiply
    130,749,295.92x = 180,426,944.52 × 72,000,475.44
  4. Step 4: Simplify right side
    130,749,295.92x = 12,990,825,787,626,502
  5. Step 5: Solve for x
    x = 12,990,825,787,626,502/130,749,295.92
  6. Step 6: Final answer
    x = 99,356,755.20

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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.