Home / 105,886,947.90-158,830,421.85-48,491,319.90

Finding the Fourth Proportional to 105,886,947.90, 158,830,421.85 and 48,491,319.90

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Solution

The fourth proportional to 105,886,947.90, 158,830,421.85 and 48,491,319.90 is: 72,736,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886,947.90 : 158,830,421.85 = 48,491,319.90 : x
  2. Step 2: Convert to fraction form
    105,886,947.90/158,830,421.85 = 48,491,319.90/x
  3. Step 3: Cross multiply
    105,886,947.90x = 158,830,421.85 × 48,491,319.90
  4. Step 4: Simplify right side
    105,886,947.90x = 7,701,896,795,780,299
  5. Step 5: Solve for x
    x = 7,701,896,795,780,299/105,886,947.90
  6. Step 6: Final answer
    x = 72,736,979.85

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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.