Home / 79,921,852.86-110,292,155.60-43,252,423.86

Finding the Fourth Proportional to 79,921,852.86, 110,292,155.60 and 43,252,423.86

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Solution

The fourth proportional to 79,921,852.86, 110,292,155.60 and 43,252,423.86 is: 59,688,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921,852.86 : 110,292,155.60 = 43,252,423.86 : x
  2. Step 2: Convert to fraction form
    79,921,852.86/110,292,155.60 = 43,252,423.86/x
  3. Step 3: Cross multiply
    79,921,852.86x = 110,292,155.60 × 43,252,423.86
  4. Step 4: Simplify right side
    79,921,852.86x = 4,770,403,062,000,943
  5. Step 5: Solve for x
    x = 4,770,403,062,000,943/79,921,852.86
  6. Step 6: Final answer
    x = 59,688,344.20

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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.