Home / 80,749,009.20-121,123,513.80-59,066,216.40

Finding the Fourth Proportional to 80,749,009.20, 121,123,513.80 and 59,066,216.40

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Solution

The fourth proportional to 80,749,009.20, 121,123,513.80 and 59,066,216.40 is: 88,599,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749,009.20 : 121,123,513.80 = 59,066,216.40 : x
  2. Step 2: Convert to fraction form
    80,749,009.20/121,123,513.80 = 59,066,216.40/x
  3. Step 3: Cross multiply
    80,749,009.20x = 121,123,513.80 × 59,066,216.40
  4. Step 4: Simplify right side
    80,749,009.20x = 7,154,307,677,239,186
  5. Step 5: Solve for x
    x = 7,154,307,677,239,186/80,749,009.20
  6. Step 6: Final answer
    x = 88,599,324.60

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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.