Home / 72,125,120,632,920-99,527,204,138,280-40,477,700,153,199

Finding the Fourth Proportional to 72,125,120,632,920, 99,527,204,138,280 and 40,477,700,153,199

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Solution

The fourth proportional to 72,125,120,632,920, 99,527,204,138,280 and 40,477,700,153,199 is: 55,856,160,666,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125,120,632,920 : 99,527,204,138,280 = 40,477,700,153,199 : x
  2. Step 2: Convert to fraction form
    72,125,120,632,920/99,527,204,138,280 = 40,477,700,153,199/x
  3. Step 3: Cross multiply
    72,125,120,632,920x = 99,527,204,138,280 × 40,477,700,153,199
  4. Step 4: Simplify right side
    72,125,120,632,920x = 4,028,632,326,195,524,271,565,963,264
  5. Step 5: Solve for x
    x = 4,028,632,326,195,524,271,565,963,264/72,125,120,632,920
  6. Step 6: Final answer
    x = 55,856,160,666,949.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.