Home / 128,113,346.70-192,170,020.05-59,026,016.70

Finding the Fourth Proportional to 128,113,346.70, 192,170,020.05 and 59,026,016.70

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Solution

The fourth proportional to 128,113,346.70, 192,170,020.05 and 59,026,016.70 is: 88,539,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,113,346.70 : 192,170,020.05 = 59,026,016.70 : x
  2. Step 2: Convert to fraction form
    128,113,346.70/192,170,020.05 = 59,026,016.70/x
  3. Step 3: Cross multiply
    128,113,346.70x = 192,170,020.05 × 59,026,016.70
  4. Step 4: Simplify right side
    128,113,346.70x = 11,343,030,812,710,636
  5. Step 5: Solve for x
    x = 11,343,030,812,710,636/128,113,346.70
  6. Step 6: Final answer
    x = 88,539,025.05

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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.