Home / 89,836,125.12-134,754,200.64-21,678,817.14

Finding the Fourth Proportional to 89,836,125.12, 134,754,200.64 and 21,678,817.14

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Solution

The fourth proportional to 89,836,125.12, 134,754,200.64 and 21,678,817.14 is: 32,518,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836,125.12 : 134,754,200.64 = 21,678,817.14 : x
  2. Step 2: Convert to fraction form
    89,836,125.12/134,754,200.64 = 21,678,817.14/x
  3. Step 3: Cross multiply
    89,836,125.12x = 134,754,200.64 × 21,678,817.14
  4. Step 4: Simplify right side
    89,836,125.12x = 2,921,311,674,521,430.50
  5. Step 5: Solve for x
    x = 2,921,311,674,521,430.50/89,836,125.12
  6. Step 6: Final answer
    x = 32,518,228.84

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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.