Home / 142,015,427.40-213,023,141.10-93,642,486.60

Finding the Fourth Proportional to 142,015,427.40, 213,023,141.10 and 93,642,486.60

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Solution

The fourth proportional to 142,015,427.40, 213,023,141.10 and 93,642,486.60 is: 140,463,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015,427.40 : 213,023,141.10 = 93,642,486.60 : x
  2. Step 2: Convert to fraction form
    142,015,427.40/213,023,141.10 = 93,642,486.60/x
  3. Step 3: Cross multiply
    142,015,427.40x = 213,023,141.10 × 93,642,486.60
  4. Step 4: Simplify right side
    142,015,427.40x = 19,948,016,635,946,656
  5. Step 5: Solve for x
    x = 19,948,016,635,946,656/142,015,427.40
  6. Step 6: Final answer
    x = 140,463,729.90

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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.