Home / 98,154,465.40-147,231,698.10-61,874,759.80

Finding the Fourth Proportional to 98,154,465.40, 147,231,698.10 and 61,874,759.80

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Solution

The fourth proportional to 98,154,465.40, 147,231,698.10 and 61,874,759.80 is: 92,812,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154,465.40 : 147,231,698.10 = 61,874,759.80 : x
  2. Step 2: Convert to fraction form
    98,154,465.40/147,231,698.10 = 61,874,759.80/x
  3. Step 3: Cross multiply
    98,154,465.40x = 147,231,698.10 × 61,874,759.80
  4. Step 4: Simplify right side
    98,154,465.40x = 9,109,925,954,883,616
  5. Step 5: Solve for x
    x = 9,109,925,954,883,616/98,154,465.40
  6. Step 6: Final answer
    x = 92,812,139.70

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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.