Home / 181,918,888.20-272,878,332.30-100,006,115.40

Finding the Fourth Proportional to 181,918,888.20, 272,878,332.30 and 100,006,115.40

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Solution

The fourth proportional to 181,918,888.20, 272,878,332.30 and 100,006,115.40 is: 150,009,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918,888.20 : 272,878,332.30 = 100,006,115.40 : x
  2. Step 2: Convert to fraction form
    181,918,888.20/272,878,332.30 = 100,006,115.40/x
  3. Step 3: Cross multiply
    181,918,888.20x = 272,878,332.30 × 100,006,115.40
  4. Step 4: Simplify right side
    181,918,888.20x = 27,289,501,990,153,352
  5. Step 5: Solve for x
    x = 27,289,501,990,153,352/181,918,888.20
  6. Step 6: Final answer
    x = 150,009,173.10

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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.