Home / 98,290,018.80-147,435,028.20-26,486,434.80

Finding the Fourth Proportional to 98,290,018.80, 147,435,028.20 and 26,486,434.80

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Solution

The fourth proportional to 98,290,018.80, 147,435,028.20 and 26,486,434.80 is: 39,729,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,290,018.80 : 147,435,028.20 = 26,486,434.80 : x
  2. Step 2: Convert to fraction form
    98,290,018.80/147,435,028.20 = 26,486,434.80/x
  3. Step 3: Cross multiply
    98,290,018.80x = 147,435,028.20 × 26,486,434.80
  4. Step 4: Simplify right side
    98,290,018.80x = 3,905,028,261,655,461
  5. Step 5: Solve for x
    x = 3,905,028,261,655,461/98,290,018.80
  6. Step 6: Final answer
    x = 39,729,652.20

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Similar ratio
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1.5x scale

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.