Home / 98,355,663.40-135,730,181.10-54,305,407.48

Finding the Fourth Proportional to 98,355,663.40, 135,730,181.10 and 54,305,407.48

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Solution

The fourth proportional to 98,355,663.40, 135,730,181.10 and 54,305,407.48 is: 74,941,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355,663.40 : 135,730,181.10 = 54,305,407.48 : x
  2. Step 2: Convert to fraction form
    98,355,663.40/135,730,181.10 = 54,305,407.48/x
  3. Step 3: Cross multiply
    98,355,663.40x = 135,730,181.10 × 54,305,407.48
  4. Step 4: Simplify right side
    98,355,663.40x = 7,370,882,791,969,694
  5. Step 5: Solve for x
    x = 7,370,882,791,969,694/98,355,663.40
  6. Step 6: Final answer
    x = 74,941,112.05

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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.