Home / 45,684,671.60-68,527,007.40-42,850,319.60

Finding the Fourth Proportional to 45,684,671.60, 68,527,007.40 and 42,850,319.60

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Solution

The fourth proportional to 45,684,671.60, 68,527,007.40 and 42,850,319.60 is: 64,275,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,684,671.60 : 68,527,007.40 = 42,850,319.60 : x
  2. Step 2: Convert to fraction form
    45,684,671.60/68,527,007.40 = 42,850,319.60/x
  3. Step 3: Cross multiply
    45,684,671.60x = 68,527,007.40 × 42,850,319.60
  4. Step 4: Simplify right side
    45,684,671.60x = 2,936,404,168,321,565.50
  5. Step 5: Solve for x
    x = 2,936,404,168,321,565.50/45,684,671.60
  6. Step 6: Final answer
    x = 64,275,479.40

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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.