Home / 185,780,692.80-278,671,039.20-124,558,689.60

Finding the Fourth Proportional to 185,780,692.80, 278,671,039.20 and 124,558,689.60

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Solution

The fourth proportional to 185,780,692.80, 278,671,039.20 and 124,558,689.60 is: 186,838,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,780,692.80 : 278,671,039.20 = 124,558,689.60 : x
  2. Step 2: Convert to fraction form
    185,780,692.80/278,671,039.20 = 124,558,689.60/x
  3. Step 3: Cross multiply
    185,780,692.80x = 278,671,039.20 × 124,558,689.60
  4. Step 4: Simplify right side
    185,780,692.80x = 34,710,899,472,222,228
  5. Step 5: Solve for x
    x = 34,710,899,472,222,228/185,780,692.80
  6. Step 6: Final answer
    x = 186,838,034.40

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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.