Home / 105,721,776,458.40-158,582,664,687.60-96,905,807,997.60

Finding the Fourth Proportional to 105,721,776,458.40, 158,582,664,687.60 and 96,905,807,997.60

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Solution

The fourth proportional to 105,721,776,458.40, 158,582,664,687.60 and 96,905,807,997.60 is: 145,358,711,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,721,776,458.40 : 158,582,664,687.60 = 96,905,807,997.60 : x
  2. Step 2: Convert to fraction form
    105,721,776,458.40/158,582,664,687.60 = 96,905,807,997.60/x
  3. Step 3: Cross multiply
    105,721,776,458.40x = 158,582,664,687.60 × 96,905,807,997.60
  4. Step 4: Simplify right side
    105,721,776,458.40x = 15,367,581,255,964,349,693,952
  5. Step 5: Solve for x
    x = 15,367,581,255,964,349,693,952/105,721,776,458.40
  6. Step 6: Final answer
    x = 145,358,711,996.40

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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.