Home / 164,944,815.60-247,417,223.40-130,680,649.20

Finding the Fourth Proportional to 164,944,815.60, 247,417,223.40 and 130,680,649.20

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Solution

The fourth proportional to 164,944,815.60, 247,417,223.40 and 130,680,649.20 is: 196,020,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,944,815.60 : 247,417,223.40 = 130,680,649.20 : x
  2. Step 2: Convert to fraction form
    164,944,815.60/247,417,223.40 = 130,680,649.20/x
  3. Step 3: Cross multiply
    164,944,815.60x = 247,417,223.40 × 130,680,649.20
  4. Step 4: Simplify right side
    164,944,815.60x = 32,332,643,377,173,432
  5. Step 5: Solve for x
    x = 32,332,643,377,173,432/164,944,815.60
  6. Step 6: Final answer
    x = 196,020,973.80

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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.