Home / 103,919,328.07-143,402,837.74-56,876,305.35

Finding the Fourth Proportional to 103,919,328.07, 143,402,837.74 and 56,876,305.35

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Solution

The fourth proportional to 103,919,328.07, 143,402,837.74 and 56,876,305.35 is: 78,486,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,919,328.07 : 143,402,837.74 = 56,876,305.35 : x
  2. Step 2: Convert to fraction form
    103,919,328.07/143,402,837.74 = 56,876,305.35/x
  3. Step 3: Cross multiply
    103,919,328.07x = 143,402,837.74 × 56,876,305.35
  4. Step 4: Simplify right side
    103,919,328.07x = 8,156,223,587,356,745
  5. Step 5: Solve for x
    x = 8,156,223,587,356,745/103,919,328.07
  6. Step 6: Final answer
    x = 78,486,107.82

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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.