Home / 98,229,628.20-147,061,007.10-86,892,220.20

Finding the Fourth Proportional to 98,229,628.20, 147,061,007.10 and 86,892,220.20

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Solution

The fourth proportional to 98,229,628.20, 147,061,007.10 and 86,892,220.20 is: 130,087,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229,628.20 : 147,061,007.10 = 86,892,220.20 : x
  2. Step 2: Convert to fraction form
    98,229,628.20/147,061,007.10 = 86,892,220.20/x
  3. Step 3: Cross multiply
    98,229,628.20x = 147,061,007.10 × 86,892,220.20
  4. Step 4: Simplify right side
    98,229,628.20x = 12,778,457,411,766,964
  5. Step 5: Solve for x
    x = 12,778,457,411,766,964/98,229,628.20
  6. Step 6: Final answer
    x = 130,087,608.45

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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.