Home / 98,496,739.40-147,745,109.10-66,248,112.20

Finding the Fourth Proportional to 98,496,739.40, 147,745,109.10 and 66,248,112.20

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Solution

The fourth proportional to 98,496,739.40, 147,745,109.10 and 66,248,112.20 is: 99,372,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,739.40 : 147,745,109.10 = 66,248,112.20 : x
  2. Step 2: Convert to fraction form
    98,496,739.40/147,745,109.10 = 66,248,112.20/x
  3. Step 3: Cross multiply
    98,496,739.40x = 147,745,109.10 × 66,248,112.20
  4. Step 4: Simplify right side
    98,496,739.40x = 9,787,834,564,658,042
  5. Step 5: Solve for x
    x = 9,787,834,564,658,042/98,496,739.40
  6. Step 6: Final answer
    x = 99,372,168.30

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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.