Home / 77,567,689.20-107,044,133.16-42,761,625.24

Finding the Fourth Proportional to 77,567,689.20, 107,044,133.16 and 42,761,625.24

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Solution

The fourth proportional to 77,567,689.20, 107,044,133.16 and 42,761,625.24 is: 59,011,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,689.20 : 107,044,133.16 = 42,761,625.24 : x
  2. Step 2: Convert to fraction form
    77,567,689.20/107,044,133.16 = 42,761,625.24/x
  3. Step 3: Cross multiply
    77,567,689.20x = 107,044,133.16 × 42,761,625.24
  4. Step 4: Simplify right side
    77,567,689.20x = 4,577,381,106,328,577
  5. Step 5: Solve for x
    x = 4,577,381,106,328,577/77,567,689.20
  6. Step 6: Final answer
    x = 59,011,440.89

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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.