Home / 120,035,566.86-165,649,877.46-65,031,423.36

Finding the Fourth Proportional to 120,035,566.86, 165,649,877.46 and 65,031,423.36

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Solution

The fourth proportional to 120,035,566.86, 165,649,877.46 and 65,031,423.36 is: 89,743,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035,566.86 : 165,649,877.46 = 65,031,423.36 : x
  2. Step 2: Convert to fraction form
    120,035,566.86/165,649,877.46 = 65,031,423.36/x
  3. Step 3: Cross multiply
    120,035,566.86x = 165,649,877.46 × 65,031,423.36
  4. Step 4: Simplify right side
    120,035,566.86x = 10,772,447,310,633,382
  5. Step 5: Solve for x
    x = 10,772,447,310,633,382/120,035,566.86
  6. Step 6: Final answer
    x = 89,743,795.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.