Home / 89,834,954.40-134,752,431.60-89,079,127.20

Finding the Fourth Proportional to 89,834,954.40, 134,752,431.60 and 89,079,127.20

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Solution

The fourth proportional to 89,834,954.40, 134,752,431.60 and 89,079,127.20 is: 133,618,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834,954.40 : 134,752,431.60 = 89,079,127.20 : x
  2. Step 2: Convert to fraction form
    89,834,954.40/134,752,431.60 = 89,079,127.20/x
  3. Step 3: Cross multiply
    89,834,954.40x = 134,752,431.60 × 89,079,127.20
  4. Step 4: Simplify right side
    89,834,954.40x = 12,003,628,995,005,700
  5. Step 5: Solve for x
    x = 12,003,628,995,005,700/89,834,954.40
  6. Step 6: Final answer
    x = 133,618,690.80

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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.