Home / 89,885,636.80-134,828,455.20-88,989,841.60

Finding the Fourth Proportional to 89,885,636.80, 134,828,455.20 and 88,989,841.60

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Solution

The fourth proportional to 89,885,636.80, 134,828,455.20 and 88,989,841.60 is: 133,484,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,636.80 : 134,828,455.20 = 88,989,841.60 : x
  2. Step 2: Convert to fraction form
    89,885,636.80/134,828,455.20 = 88,989,841.60/x
  3. Step 3: Cross multiply
    89,885,636.80x = 134,828,455.20 × 88,989,841.60
  4. Step 4: Simplify right side
    89,885,636.80x = 11,998,362,871,420,694
  5. Step 5: Solve for x
    x = 11,998,362,871,420,694/89,885,636.80
  6. Step 6: Final answer
    x = 133,484,762.40

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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.