Home / 124,922,182,532.52-172,392,611,894.89-71,458,155,050.52

Finding the Fourth Proportional to 124,922,182,532.52, 172,392,611,894.89 and 71,458,155,050.52

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Solution

The fourth proportional to 124,922,182,532.52, 172,392,611,894.89 and 71,458,155,050.52 is: 98,612,253,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922,182,532.52 : 172,392,611,894.89 = 71,458,155,050.52 : x
  2. Step 2: Convert to fraction form
    124,922,182,532.52/172,392,611,894.89 = 71,458,155,050.52/x
  3. Step 3: Cross multiply
    124,922,182,532.52x = 172,392,611,894.89 × 71,458,155,050.52
  4. Step 4: Simplify right side
    124,922,182,532.52x = 12,318,857,990,349,170,671,616
  5. Step 5: Solve for x
    x = 12,318,857,990,349,170,671,616/124,922,182,532.52
  6. Step 6: Final answer
    x = 98,612,253,969.72

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1.5x scale

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.