Home / 64,938,515.60-97,407,773.40-40,752,045.20

Finding the Fourth Proportional to 64,938,515.60, 97,407,773.40 and 40,752,045.20

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Solution

The fourth proportional to 64,938,515.60, 97,407,773.40 and 40,752,045.20 is: 61,128,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,938,515.60 : 97,407,773.40 = 40,752,045.20 : x
  2. Step 2: Convert to fraction form
    64,938,515.60/97,407,773.40 = 40,752,045.20/x
  3. Step 3: Cross multiply
    64,938,515.60x = 97,407,773.40 × 40,752,045.20
  4. Step 4: Simplify right side
    64,938,515.60x = 3,969,565,984,428,158
  5. Step 5: Solve for x
    x = 3,969,565,984,428,158/64,938,515.60
  6. Step 6: Final answer
    x = 61,128,067.80

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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.