Home / 56,312,371.50-77,711,072.67-30,558,259.50

Finding the Fourth Proportional to 56,312,371.50, 77,711,072.67 and 30,558,259.50

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Solution

The fourth proportional to 56,312,371.50, 77,711,072.67 and 30,558,259.50 is: 42,170,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312,371.50 : 77,711,072.67 = 30,558,259.50 : x
  2. Step 2: Convert to fraction form
    56,312,371.50/77,711,072.67 = 30,558,259.50/x
  3. Step 3: Cross multiply
    56,312,371.50x = 77,711,072.67 × 30,558,259.50
  4. Step 4: Simplify right side
    56,312,371.50x = 2,374,715,124,673,218
  5. Step 5: Solve for x
    x = 2,374,715,124,673,218/56,312,371.50
  6. Step 6: Final answer
    x = 42,170,398.11

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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.