Home / 172,442,101.52-237,934,576.05-99,089,071.76

Finding the Fourth Proportional to 172,442,101.52, 237,934,576.05 and 99,089,071.76

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Solution

The fourth proportional to 172,442,101.52, 237,934,576.05 and 99,089,071.76 is: 136,722,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,101.52 : 237,934,576.05 = 99,089,071.76 : x
  2. Step 2: Convert to fraction form
    172,442,101.52/237,934,576.05 = 99,089,071.76/x
  3. Step 3: Cross multiply
    172,442,101.52x = 237,934,576.05 × 99,089,071.76
  4. Step 4: Simplify right side
    172,442,101.52x = 23,576,716,280,403,628
  5. Step 5: Solve for x
    x = 23,576,716,280,403,628/172,442,101.52
  6. Step 6: Final answer
    x = 136,722,506.12

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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.