Home / 239,250,036.18-358,938,851.82-85,897,421.22

Finding the Fourth Proportional to 239,250,036.18, 358,938,851.82 and 85,897,421.22

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Solution

The fourth proportional to 239,250,036.18, 358,938,851.82 and 85,897,421.22 is: 128,869,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,250,036.18 : 358,938,851.82 = 85,897,421.22 : x
  2. Step 2: Convert to fraction form
    239,250,036.18/358,938,851.82 = 85,897,421.22/x
  3. Step 3: Cross multiply
    239,250,036.18x = 358,938,851.82 × 85,897,421.22
  4. Step 4: Simplify right side
    239,250,036.18x = 30,831,921,747,005,704
  5. Step 5: Solve for x
    x = 30,831,921,747,005,704/239,250,036.18
  6. Step 6: Final answer
    x = 128,869,036.93

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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.