Home / 98,068,342.56-135,335,225.52-54,016,905.12

Finding the Fourth Proportional to 98,068,342.56, 135,335,225.52 and 54,016,905.12

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Solution

The fourth proportional to 98,068,342.56, 135,335,225.52 and 54,016,905.12 is: 74,543,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,068,342.56 : 135,335,225.52 = 54,016,905.12 : x
  2. Step 2: Convert to fraction form
    98,068,342.56/135,335,225.52 = 54,016,905.12/x
  3. Step 3: Cross multiply
    98,068,342.56x = 135,335,225.52 × 54,016,905.12
  4. Step 4: Simplify right side
    98,068,342.56x = 7,310,390,036,307,643
  5. Step 5: Solve for x
    x = 7,310,390,036,307,643/98,068,342.56
  6. Step 6: Final answer
    x = 74,543,831.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.