Home / 98,108,310.30-147,162,465.45-89,020,669.20

Finding the Fourth Proportional to 98,108,310.30, 147,162,465.45 and 89,020,669.20

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Solution

The fourth proportional to 98,108,310.30, 147,162,465.45 and 89,020,669.20 is: 133,531,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,108,310.30 : 147,162,465.45 = 89,020,669.20 : x
  2. Step 2: Convert to fraction form
    98,108,310.30/147,162,465.45 = 89,020,669.20/x
  3. Step 3: Cross multiply
    98,108,310.30x = 147,162,465.45 × 89,020,669.20
  4. Step 4: Simplify right side
    98,108,310.30x = 13,100,501,155,480,878
  5. Step 5: Solve for x
    x = 13,100,501,155,480,878/98,108,310.30
  6. Step 6: Final answer
    x = 133,531,003.80

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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.