Home / 143,609,409.60-215,414,114.40-97,692,907.20

Finding the Fourth Proportional to 143,609,409.60, 215,414,114.40 and 97,692,907.20

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Solution

The fourth proportional to 143,609,409.60, 215,414,114.40 and 97,692,907.20 is: 146,539,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,609,409.60 : 215,414,114.40 = 97,692,907.20 : x
  2. Step 2: Convert to fraction form
    143,609,409.60/215,414,114.40 = 97,692,907.20/x
  3. Step 3: Cross multiply
    143,609,409.60x = 215,414,114.40 × 97,692,907.20
  4. Step 4: Simplify right side
    143,609,409.60x = 21,044,431,087,649,384
  5. Step 5: Solve for x
    x = 21,044,431,087,649,384/143,609,409.60
  6. Step 6: Final answer
    x = 146,539,360.80

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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.