Home / 315,551,439.60-473,103,210.60-143,110,863.60

Finding the Fourth Proportional to 315,551,439.60, 473,103,210.60 and 143,110,863.60

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Solution

The fourth proportional to 315,551,439.60, 473,103,210.60 and 143,110,863.60 is: 214,564,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,551,439.60 : 473,103,210.60 = 143,110,863.60 : x
  2. Step 2: Convert to fraction form
    315,551,439.60/473,103,210.60 = 143,110,863.60/x
  3. Step 3: Cross multiply
    315,551,439.60x = 473,103,210.60 × 143,110,863.60
  4. Step 4: Simplify right side
    315,551,439.60x = 67,706,209,040,898,672
  5. Step 5: Solve for x
    x = 67,706,209,040,898,672/315,551,439.60
  6. Step 6: Final answer
    x = 214,564,728.74

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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.