Home / 98,229,427.20-147,060,705.60-86,892,019.20

Finding the Fourth Proportional to 98,229,427.20, 147,060,705.60 and 86,892,019.20

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Solution

The fourth proportional to 98,229,427.20, 147,060,705.60 and 86,892,019.20 is: 130,087,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229,427.20 : 147,060,705.60 = 86,892,019.20 : x
  2. Step 2: Convert to fraction form
    98,229,427.20/147,060,705.60 = 86,892,019.20/x
  3. Step 3: Cross multiply
    98,229,427.20x = 147,060,705.60 × 86,892,019.20
  4. Step 4: Simplify right side
    98,229,427.20x = 12,778,401,654,560,748
  5. Step 5: Solve for x
    x = 12,778,401,654,560,748/98,229,427.20
  6. Step 6: Final answer
    x = 130,087,307.02

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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.