Home / 128,113,340.70-192,170,011.05-59,026,010.70

Finding the Fourth Proportional to 128,113,340.70, 192,170,011.05 and 59,026,010.70

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Solution

The fourth proportional to 128,113,340.70, 192,170,011.05 and 59,026,010.70 is: 88,539,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,113,340.70 : 192,170,011.05 = 59,026,010.70 : x
  2. Step 2: Convert to fraction form
    128,113,340.70/192,170,011.05 = 59,026,010.70/x
  3. Step 3: Cross multiply
    128,113,340.70x = 192,170,011.05 × 59,026,010.70
  4. Step 4: Simplify right side
    128,113,340.70x = 11,343,029,128,456,420
  5. Step 5: Solve for x
    x = 11,343,029,128,456,420/128,113,340.70
  6. Step 6: Final answer
    x = 88,539,016.05

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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.