Home / 98,634,904.60-148,235,792.10-86,163,755.80

Finding the Fourth Proportional to 98,634,904.60, 148,235,792.10 and 86,163,755.80

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Solution

The fourth proportional to 98,634,904.60, 148,235,792.10 and 86,163,755.80 is: 129,493,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,634,904.60 : 148,235,792.10 = 86,163,755.80 : x
  2. Step 2: Convert to fraction form
    98,634,904.60/148,235,792.10 = 86,163,755.80/x
  3. Step 3: Cross multiply
    98,634,904.60x = 148,235,792.10 × 86,163,755.80
  4. Step 4: Simplify right side
    98,634,904.60x = 12,772,552,591,323,968
  5. Step 5: Solve for x
    x = 12,772,552,591,323,968/98,634,904.60
  6. Step 6: Final answer
    x = 129,493,232.07

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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.