Home / 98,154,468.40-147,231,702.60-61,874,762.80

Finding the Fourth Proportional to 98,154,468.40, 147,231,702.60 and 61,874,762.80

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Solution

The fourth proportional to 98,154,468.40, 147,231,702.60 and 61,874,762.80 is: 92,812,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154,468.40 : 147,231,702.60 = 61,874,762.80 : x
  2. Step 2: Convert to fraction form
    98,154,468.40/147,231,702.60 = 61,874,762.80/x
  3. Step 3: Cross multiply
    98,154,468.40x = 147,231,702.60 × 61,874,762.80
  4. Step 4: Simplify right side
    98,154,468.40x = 9,109,926,675,015,142
  5. Step 5: Solve for x
    x = 9,109,926,675,015,142/98,154,468.40
  6. Step 6: Final answer
    x = 92,812,144.20

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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.