Home / 83,488,009.40-125,232,014.10-40,377,865.40

Finding the Fourth Proportional to 83,488,009.40, 125,232,014.10 and 40,377,865.40

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Solution

The fourth proportional to 83,488,009.40, 125,232,014.10 and 40,377,865.40 is: 60,566,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,488,009.40 : 125,232,014.10 = 40,377,865.40 : x
  2. Step 2: Convert to fraction form
    83,488,009.40/125,232,014.10 = 40,377,865.40/x
  3. Step 3: Cross multiply
    83,488,009.40x = 125,232,014.10 × 40,377,865.40
  4. Step 4: Simplify right side
    83,488,009.40x = 5,056,601,409,100,702
  5. Step 5: Solve for x
    x = 5,056,601,409,100,702/83,488,009.40
  6. Step 6: Final answer
    x = 60,566,798.10

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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.