Home / 103,919,327.07-143,402,836.37-56,876,304.35

Finding the Fourth Proportional to 103,919,327.07, 143,402,836.37 and 56,876,304.35

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Solution

The fourth proportional to 103,919,327.07, 143,402,836.37 and 56,876,304.35 is: 78,486,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,919,327.07 : 143,402,836.37 = 56,876,304.35 : x
  2. Step 2: Convert to fraction form
    103,919,327.07/143,402,836.37 = 56,876,304.35/x
  3. Step 3: Cross multiply
    103,919,327.07x = 143,402,836.37 × 56,876,304.35
  4. Step 4: Simplify right side
    103,919,327.07x = 8,156,223,365,031,974
  5. Step 5: Solve for x
    x = 8,156,223,365,031,974/103,919,327.07
  6. Step 6: Final answer
    x = 78,486,106.43

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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.