Home / 66,726,021.60-100,089,032.40-39,852,165.60

Finding the Fourth Proportional to 66,726,021.60, 100,089,032.40 and 39,852,165.60

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Solution

The fourth proportional to 66,726,021.60, 100,089,032.40 and 39,852,165.60 is: 59,778,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726,021.60 : 100,089,032.40 = 39,852,165.60 : x
  2. Step 2: Convert to fraction form
    66,726,021.60/100,089,032.40 = 39,852,165.60/x
  3. Step 3: Cross multiply
    66,726,021.60x = 100,089,032.40 × 39,852,165.60
  4. Step 4: Simplify right side
    66,726,021.60x = 3,988,764,693,948,566
  5. Step 5: Solve for x
    x = 3,988,764,693,948,566/66,726,021.60
  6. Step 6: Final answer
    x = 59,778,248.40

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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.