Home / 98,229,643.20-147,061,029.60-86,892,235.20

Finding the Fourth Proportional to 98,229,643.20, 147,061,029.60 and 86,892,235.20

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Solution

The fourth proportional to 98,229,643.20, 147,061,029.60 and 86,892,235.20 is: 130,087,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229,643.20 : 147,061,029.60 = 86,892,235.20 : x
  2. Step 2: Convert to fraction form
    98,229,643.20/147,061,029.60 = 86,892,235.20/x
  3. Step 3: Cross multiply
    98,229,643.20x = 147,061,029.60 × 86,892,235.20
  4. Step 4: Simplify right side
    98,229,643.20x = 12,778,461,572,757,362
  5. Step 5: Solve for x
    x = 12,778,461,572,757,362/98,229,643.20
  6. Step 6: Final answer
    x = 130,087,630.95

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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.