Home / 185,868,999.90-278,803,499.85-165,780,530.10

Finding the Fourth Proportional to 185,868,999.90, 278,803,499.85 and 165,780,530.10

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Solution

The fourth proportional to 185,868,999.90, 278,803,499.85 and 165,780,530.10 is: 248,670,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868,999.90 : 278,803,499.85 = 165,780,530.10 : x
  2. Step 2: Convert to fraction form
    185,868,999.90/278,803,499.85 = 165,780,530.10/x
  3. Step 3: Cross multiply
    185,868,999.90x = 278,803,499.85 × 165,780,530.10
  4. Step 4: Simplify right side
    185,868,999.90x = 46,220,191,998,868,272
  5. Step 5: Solve for x
    x = 46,220,191,998,868,272/185,868,999.90
  6. Step 6: Final answer
    x = 248,670,795.15

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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.