Home / 172,442,031.15-237,934,479.08-99,089,001.39

Finding the Fourth Proportional to 172,442,031.15, 237,934,479.08 and 99,089,001.39

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Solution

The fourth proportional to 172,442,031.15, 237,934,479.08 and 99,089,001.39 is: 136,722,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,031.15 : 237,934,479.08 = 99,089,001.39 : x
  2. Step 2: Convert to fraction form
    172,442,031.15/237,934,479.08 = 99,089,001.39/x
  3. Step 3: Cross multiply
    172,442,031.15x = 237,934,479.08 × 99,089,001.39
  4. Step 4: Simplify right side
    172,442,031.15x = 23,576,689,927,791,600
  5. Step 5: Solve for x
    x = 23,576,689,927,791,600/172,442,031.15
  6. Step 6: Final answer
    x = 136,722,409.09

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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.