Home / 53,445,612.80-80,168,419.20-45,792,862.40

Finding the Fourth Proportional to 53,445,612.80, 80,168,419.20 and 45,792,862.40

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Solution

The fourth proportional to 53,445,612.80, 80,168,419.20 and 45,792,862.40 is: 68,689,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445,612.80 : 80,168,419.20 = 45,792,862.40 : x
  2. Step 2: Convert to fraction form
    53,445,612.80/80,168,419.20 = 45,792,862.40/x
  3. Step 3: Cross multiply
    53,445,612.80x = 80,168,419.20 × 45,792,862.40
  4. Step 4: Simplify right side
    53,445,612.80x = 3,671,141,389,251,118
  5. Step 5: Solve for x
    x = 3,671,141,389,251,118/53,445,612.80
  6. Step 6: Final answer
    x = 68,689,293.60

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1.5x scale

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.