Home / 42,683,339.60-64,025,009.40-40,219,902.80

Finding the Fourth Proportional to 42,683,339.60, 64,025,009.40 and 40,219,902.80

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Solution

The fourth proportional to 42,683,339.60, 64,025,009.40 and 40,219,902.80 is: 60,329,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683,339.60 : 64,025,009.40 = 40,219,902.80 : x
  2. Step 2: Convert to fraction form
    42,683,339.60/64,025,009.40 = 40,219,902.80/x
  3. Step 3: Cross multiply
    42,683,339.60x = 64,025,009.40 × 40,219,902.80
  4. Step 4: Simplify right side
    42,683,339.60x = 2,575,079,654,837,086
  5. Step 5: Solve for x
    x = 2,575,079,654,837,086/42,683,339.60
  6. Step 6: Final answer
    x = 60,329,854.20

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1.5x scale

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.