Home / 75,031,780.23-103,554,731.25-43,235,763.86

Finding the Fourth Proportional to 75,031,780.23, 103,554,731.25 and 43,235,763.86

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Solution

The fourth proportional to 75,031,780.23, 103,554,731.25 and 43,235,763.86 is: 59,671,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031,780.23 : 103,554,731.25 = 43,235,763.86 : x
  2. Step 2: Convert to fraction form
    75,031,780.23/103,554,731.25 = 43,235,763.86/x
  3. Step 3: Cross multiply
    75,031,780.23x = 103,554,731.25 × 43,235,763.86
  4. Step 4: Simplify right side
    75,031,780.23x = 4,477,267,906,392,988.50
  5. Step 5: Solve for x
    x = 4,477,267,906,392,988.50/75,031,780.23
  6. Step 6: Final answer
    x = 59,671,620.38

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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.