Home / 77,567,675.20-107,044,113.80-42,761,611.19

Finding the Fourth Proportional to 77,567,675.20, 107,044,113.80 and 42,761,611.19

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Solution

The fourth proportional to 77,567,675.20, 107,044,113.80 and 42,761,611.19 is: 59,011,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,675.20 : 107,044,113.80 = 42,761,611.19 : x
  2. Step 2: Convert to fraction form
    77,567,675.20/107,044,113.80 = 42,761,611.19/x
  3. Step 3: Cross multiply
    77,567,675.20x = 107,044,113.80 × 42,761,611.19
  4. Step 4: Simplify right side
    77,567,675.20x = 4,577,378,774,868,228
  5. Step 5: Solve for x
    x = 4,577,378,774,868,228/77,567,675.20
  6. Step 6: Final answer
    x = 59,011,421.49

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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.