Home / 56,267,999.15-77,653,111.28-31,487,972.09

Finding the Fourth Proportional to 56,267,999.15, 77,653,111.28 and 31,487,972.09

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Solution

The fourth proportional to 56,267,999.15, 77,653,111.28 and 31,487,972.09 is: 43,455,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267,999.15 : 77,653,111.28 = 31,487,972.09 : x
  2. Step 2: Convert to fraction form
    56,267,999.15/77,653,111.28 = 31,487,972.09/x
  3. Step 3: Cross multiply
    56,267,999.15x = 77,653,111.28 × 31,487,972.09
  4. Step 4: Simplify right side
    56,267,999.15x = 2,445,139,000,140,599
  5. Step 5: Solve for x
    x = 2,445,139,000,140,599/56,267,999.15
  6. Step 6: Final answer
    x = 43,455,232.77

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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.