Home / 181,919,111.20-272,878,666.80-66,879,849.40

Finding the Fourth Proportional to 181,919,111.20, 272,878,666.80 and 66,879,849.40

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Solution

The fourth proportional to 181,919,111.20, 272,878,666.80 and 66,879,849.40 is: 100,319,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,919,111.20 : 272,878,666.80 = 66,879,849.40 : x
  2. Step 2: Convert to fraction form
    181,919,111.20/272,878,666.80 = 66,879,849.40/x
  3. Step 3: Cross multiply
    181,919,111.20x = 272,878,666.80 × 66,879,849.40
  4. Step 4: Simplify right side
    181,919,111.20x = 18,250,084,140,056,780
  5. Step 5: Solve for x
    x = 18,250,084,140,056,780/181,919,111.20
  6. Step 6: Final answer
    x = 100,319,774.10

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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.