Home / 88,811,276.64-133,009,981.02-86,359,562.16

Finding the Fourth Proportional to 88,811,276.64, 133,009,981.02 and 86,359,562.16

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Solution

The fourth proportional to 88,811,276.64, 133,009,981.02 and 86,359,562.16 is: 129,338,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811,276.64 : 133,009,981.02 = 86,359,562.16 : x
  2. Step 2: Convert to fraction form
    88,811,276.64/133,009,981.02 = 86,359,562.16/x
  3. Step 3: Cross multiply
    88,811,276.64x = 133,009,981.02 × 86,359,562.16
  4. Step 4: Simplify right side
    88,811,276.64x = 11,486,683,723,797,110
  5. Step 5: Solve for x
    x = 11,486,683,723,797,110/88,811,276.64
  6. Step 6: Final answer
    x = 129,338,121.90

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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.