Home / 98,928,547.80-148,392,821.70-84,260,776.20

Finding the Fourth Proportional to 98,928,547.80, 148,392,821.70 and 84,260,776.20

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Solution

The fourth proportional to 98,928,547.80, 148,392,821.70 and 84,260,776.20 is: 126,391,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,547.80 : 148,392,821.70 = 84,260,776.20 : x
  2. Step 2: Convert to fraction form
    98,928,547.80/148,392,821.70 = 84,260,776.20/x
  3. Step 3: Cross multiply
    98,928,547.80x = 148,392,821.70 × 84,260,776.20
  4. Step 4: Simplify right side
    98,928,547.80x = 12,503,694,338,950,202
  5. Step 5: Solve for x
    x = 12,503,694,338,950,202/98,928,547.80
  6. Step 6: Final answer
    x = 126,391,164.30

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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.