Home / 98,928,001.20-148,392,001.80-88,346,420.40

Finding the Fourth Proportional to 98,928,001.20, 148,392,001.80 and 88,346,420.40

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Solution

The fourth proportional to 98,928,001.20, 148,392,001.80 and 88,346,420.40 is: 132,519,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,001.20 : 148,392,001.80 = 88,346,420.40 : x
  2. Step 2: Convert to fraction form
    98,928,001.20/148,392,001.80 = 88,346,420.40/x
  3. Step 3: Cross multiply
    98,928,001.20x = 148,392,001.80 × 88,346,420.40
  4. Step 4: Simplify right side
    98,928,001.20x = 13,109,902,175,020,358
  5. Step 5: Solve for x
    x = 13,109,902,175,020,358/98,928,001.20
  6. Step 6: Final answer
    x = 132,519,630.60

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1.5x scale

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.