Home / 315,274,327.60-472,956,689.40-96,943,007.20

Finding the Fourth Proportional to 315,274,327.60, 472,956,689.40 and 96,943,007.20

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Solution

The fourth proportional to 315,274,327.60, 472,956,689.40 and 96,943,007.20 is: 145,428,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,274,327.60 : 472,956,689.40 = 96,943,007.20 : x
  2. Step 2: Convert to fraction form
    315,274,327.60/472,956,689.40 = 96,943,007.20/x
  3. Step 3: Cross multiply
    315,274,327.60x = 472,956,689.40 × 96,943,007.20
  4. Step 4: Simplify right side
    315,274,327.60x = 45,849,843,745,792,360
  5. Step 5: Solve for x
    x = 45,849,843,745,792,360/315,274,327.60
  6. Step 6: Final answer
    x = 145,428,408.63

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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.