Home / 78,802,280.46-118,191,301.38-26,280,874.08

Finding the Fourth Proportional to 78,802,280.46, 118,191,301.38 and 26,280,874.08

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Solution

The fourth proportional to 78,802,280.46, 118,191,301.38 and 26,280,874.08 is: 39,417,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,802,280.46 : 118,191,301.38 = 26,280,874.08 : x
  2. Step 2: Convert to fraction form
    78,802,280.46/118,191,301.38 = 26,280,874.08/x
  3. Step 3: Cross multiply
    78,802,280.46x = 118,191,301.38 × 26,280,874.08
  4. Step 4: Simplify right side
    78,802,280.46x = 3,106,170,708,919,110
  5. Step 5: Solve for x
    x = 3,106,170,708,919,110/78,802,280.46
  6. Step 6: Final answer
    x = 39,417,269.28

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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.