Home / 107,680,802.40-161,521,203.60-64,682,632.80

Finding the Fourth Proportional to 107,680,802.40, 161,521,203.60 and 64,682,632.80

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Solution

The fourth proportional to 107,680,802.40, 161,521,203.60 and 64,682,632.80 is: 97,023,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680,802.40 : 161,521,203.60 = 64,682,632.80 : x
  2. Step 2: Convert to fraction form
    107,680,802.40/161,521,203.60 = 64,682,632.80/x
  3. Step 3: Cross multiply
    107,680,802.40x = 161,521,203.60 × 64,682,632.80
  4. Step 4: Simplify right side
    107,680,802.40x = 10,447,616,701,872,838
  5. Step 5: Solve for x
    x = 10,447,616,701,872,838/107,680,802.40
  6. Step 6: Final answer
    x = 97,023,949.20

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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.