Home / 128,113,339.20-192,170,008.80-59,026,009.20

Finding the Fourth Proportional to 128,113,339.20, 192,170,008.80 and 59,026,009.20

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Solution

The fourth proportional to 128,113,339.20, 192,170,008.80 and 59,026,009.20 is: 88,539,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,113,339.20 : 192,170,008.80 = 59,026,009.20 : x
  2. Step 2: Convert to fraction form
    128,113,339.20/192,170,008.80 = 59,026,009.20/x
  3. Step 3: Cross multiply
    128,113,339.20x = 192,170,008.80 × 59,026,009.20
  4. Step 4: Simplify right side
    128,113,339.20x = 11,343,028,707,392,882
  5. Step 5: Solve for x
    x = 11,343,028,707,392,882/128,113,339.20
  6. Step 6: Final answer
    x = 88,539,013.80

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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.