Home / 40,440,721.60-60,661,082.40-38,208,669.40

Finding the Fourth Proportional to 40,440,721.60, 60,661,082.40 and 38,208,669.40

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Solution

The fourth proportional to 40,440,721.60, 60,661,082.40 and 38,208,669.40 is: 57,313,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,721.60 : 60,661,082.40 = 38,208,669.40 : x
  2. Step 2: Convert to fraction form
    40,440,721.60/60,661,082.40 = 38,208,669.40/x
  3. Step 3: Cross multiply
    40,440,721.60x = 60,661,082.40 × 38,208,669.40
  4. Step 4: Simplify right side
    40,440,721.60x = 2,317,779,242,867,758.50
  5. Step 5: Solve for x
    x = 2,317,779,242,867,758.50/40,440,721.60
  6. Step 6: Final answer
    x = 57,313,004.10

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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.