Home / 71,460,225.16-107,191,001.10-20,342,242.12

Finding the Fourth Proportional to 71,460,225.16, 107,191,001.10 and 20,342,242.12

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Solution

The fourth proportional to 71,460,225.16, 107,191,001.10 and 20,342,242.12 is: 30,513,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460,225.16 : 107,191,001.10 = 20,342,242.12 : x
  2. Step 2: Convert to fraction form
    71,460,225.16/107,191,001.10 = 20,342,242.12/x
  3. Step 3: Cross multiply
    71,460,225.16x = 107,191,001.10 × 20,342,242.12
  4. Step 4: Simplify right side
    71,460,225.16x = 2,180,505,297,461,386.25
  5. Step 5: Solve for x
    x = 2,180,505,297,461,386.25/71,460,225.16
  6. Step 6: Final answer
    x = 30,513,552.02

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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.