Home / 42,998,627.60-64,497,941.40-39,714,045.20

Finding the Fourth Proportional to 42,998,627.60, 64,497,941.40 and 39,714,045.20

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Solution

The fourth proportional to 42,998,627.60, 64,497,941.40 and 39,714,045.20 is: 59,571,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,998,627.60 : 64,497,941.40 = 39,714,045.20 : x
  2. Step 2: Convert to fraction form
    42,998,627.60/64,497,941.40 = 39,714,045.20/x
  3. Step 3: Cross multiply
    42,998,627.60x = 64,497,941.40 × 39,714,045.20
  4. Step 4: Simplify right side
    42,998,627.60x = 2,561,474,160,066,551.50
  5. Step 5: Solve for x
    x = 2,561,474,160,066,551.50/42,998,627.60
  6. Step 6: Final answer
    x = 59,571,067.80

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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.