Home / 71,533,015.43-98,717,945.69-40,176,590.11

Finding the Fourth Proportional to 71,533,015.43, 98,717,945.69 and 40,176,590.11

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Solution

The fourth proportional to 71,533,015.43, 98,717,945.69 and 40,176,590.11 is: 55,445,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533,015.43 : 98,717,945.69 = 40,176,590.11 : x
  2. Step 2: Convert to fraction form
    71,533,015.43/98,717,945.69 = 40,176,590.11/x
  3. Step 3: Cross multiply
    71,533,015.43x = 98,717,945.69 × 40,176,590.11
  4. Step 4: Simplify right side
    71,533,015.43x = 3,966,150,440,342,017.50
  5. Step 5: Solve for x
    x = 3,966,150,440,342,017.50/71,533,015.43
  6. Step 6: Final answer
    x = 55,445,033.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.