Home / 115,892,938.40-173,839,407.60-89,019,082.40

Finding the Fourth Proportional to 115,892,938.40, 173,839,407.60 and 89,019,082.40

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Solution

The fourth proportional to 115,892,938.40, 173,839,407.60 and 89,019,082.40 is: 133,528,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,892,938.40 : 173,839,407.60 = 89,019,082.40 : x
  2. Step 2: Convert to fraction form
    115,892,938.40/173,839,407.60 = 89,019,082.40/x
  3. Step 3: Cross multiply
    115,892,938.40x = 173,839,407.60 × 89,019,082.40
  4. Step 4: Simplify right side
    115,892,938.40x = 15,475,024,549,511,586
  5. Step 5: Solve for x
    x = 15,475,024,549,511,586/115,892,938.40
  6. Step 6: Final answer
    x = 133,528,623.60

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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.