Home / 56,311,965.28-77,710,512.08-30,557,853.28

Finding the Fourth Proportional to 56,311,965.28, 77,710,512.08 and 30,557,853.28

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Solution

The fourth proportional to 56,311,965.28, 77,710,512.08 and 30,557,853.28 is: 42,169,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,965.28 : 77,710,512.08 = 30,557,853.28 : x
  2. Step 2: Convert to fraction form
    56,311,965.28/77,710,512.08 = 30,557,853.28/x
  3. Step 3: Cross multiply
    56,311,965.28x = 77,710,512.08 × 30,557,853.28
  4. Step 4: Simplify right side
    56,311,965.28x = 2,374,666,426,454,307.50
  5. Step 5: Solve for x
    x = 2,374,666,426,454,307.50/56,311,965.28
  6. Step 6: Final answer
    x = 42,169,837.52

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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.