Home / 144,706,912.40-217,060,368.60-83,484,909.20

Finding the Fourth Proportional to 144,706,912.40, 217,060,368.60 and 83,484,909.20

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Solution

The fourth proportional to 144,706,912.40, 217,060,368.60 and 83,484,909.20 is: 125,227,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706,912.40 : 217,060,368.60 = 83,484,909.20 : x
  2. Step 2: Convert to fraction form
    144,706,912.40/217,060,368.60 = 83,484,909.20/x
  3. Step 3: Cross multiply
    144,706,912.40x = 217,060,368.60 × 83,484,909.20
  4. Step 4: Simplify right side
    144,706,912.40x = 18,121,265,163,489,532
  5. Step 5: Solve for x
    x = 18,121,265,163,489,532/144,706,912.40
  6. Step 6: Final answer
    x = 125,227,363.80

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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.