Home / 181,445,820.30-272,168,730.45-66,392,124.30

Finding the Fourth Proportional to 181,445,820.30, 272,168,730.45 and 66,392,124.30

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Solution

The fourth proportional to 181,445,820.30, 272,168,730.45 and 66,392,124.30 is: 99,588,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445,820.30 : 272,168,730.45 = 66,392,124.30 : x
  2. Step 2: Convert to fraction form
    181,445,820.30/272,168,730.45 = 66,392,124.30/x
  3. Step 3: Cross multiply
    181,445,820.30x = 272,168,730.45 × 66,392,124.30
  4. Step 4: Simplify right side
    181,445,820.30x = 18,069,860,182,609,592
  5. Step 5: Solve for x
    x = 18,069,860,182,609,592/181,445,820.30
  6. Step 6: Final answer
    x = 99,588,186.45

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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.