Home / 185,868,945.40-278,803,418.10-165,780,475.60

Finding the Fourth Proportional to 185,868,945.40, 278,803,418.10 and 165,780,475.60

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Solution

The fourth proportional to 185,868,945.40, 278,803,418.10 and 165,780,475.60 is: 248,670,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868,945.40 : 278,803,418.10 = 165,780,475.60 : x
  2. Step 2: Convert to fraction form
    185,868,945.40/278,803,418.10 = 165,780,475.60/x
  3. Step 3: Cross multiply
    185,868,945.40x = 278,803,418.10 × 165,780,475.60
  4. Step 4: Simplify right side
    185,868,945.40x = 46,220,163,251,523,648
  5. Step 5: Solve for x
    x = 46,220,163,251,523,648/185,868,945.40
  6. Step 6: Final answer
    x = 248,670,713.40

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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.