Home / 47,258,921.60-70,746,664.80-28,079,806.40

Finding the Fourth Proportional to 47,258,921.60, 70,746,664.80 and 28,079,806.40

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Solution

The fourth proportional to 47,258,921.60, 70,746,664.80 and 28,079,806.40 is: 42,035,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258,921.60 : 70,746,664.80 = 28,079,806.40 : x
  2. Step 2: Convert to fraction form
    47,258,921.60/70,746,664.80 = 28,079,806.40/x
  3. Step 3: Cross multiply
    47,258,921.60x = 70,746,664.80 × 28,079,806.40
  4. Step 4: Simplify right side
    47,258,921.60x = 1,986,552,651,029,694.50
  5. Step 5: Solve for x
    x = 1,986,552,651,029,694.50/47,258,921.60
  6. Step 6: Final answer
    x = 42,035,505.33

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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.