Home / 143,791,316.80-215,686,975.20-109,779,092.80

Finding the Fourth Proportional to 143,791,316.80, 215,686,975.20 and 109,779,092.80

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Solution

The fourth proportional to 143,791,316.80, 215,686,975.20 and 109,779,092.80 is: 164,668,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791,316.80 : 215,686,975.20 = 109,779,092.80 : x
  2. Step 2: Convert to fraction form
    143,791,316.80/215,686,975.20 = 109,779,092.80/x
  3. Step 3: Cross multiply
    143,791,316.80x = 215,686,975.20 × 109,779,092.80
  4. Step 4: Simplify right side
    143,791,316.80x = 23,677,920,466,232,096
  5. Step 5: Solve for x
    x = 23,677,920,466,232,096/143,791,316.80
  6. Step 6: Final answer
    x = 164,668,639.20

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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.