Home / 99,661,701.60-149,492,552.40-98,989,855.20

Finding the Fourth Proportional to 99,661,701.60, 149,492,552.40 and 98,989,855.20

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Solution

The fourth proportional to 99,661,701.60, 149,492,552.40 and 98,989,855.20 is: 148,484,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,701.60 : 149,492,552.40 = 98,989,855.20 : x
  2. Step 2: Convert to fraction form
    99,661,701.60/149,492,552.40 = 98,989,855.20/x
  3. Step 3: Cross multiply
    99,661,701.60x = 149,492,552.40 × 98,989,855.20
  4. Step 4: Simplify right side
    99,661,701.60x = 14,798,246,115,554,414
  5. Step 5: Solve for x
    x = 14,798,246,115,554,414/99,661,701.60
  6. Step 6: Final answer
    x = 148,484,782.80

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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.