Home / 77,897,992.15-107,489,862.93-44,868,983.21

Finding the Fourth Proportional to 77,897,992.15, 107,489,862.93 and 44,868,983.21

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Solution

The fourth proportional to 77,897,992.15, 107,489,862.93 and 44,868,983.21 is: 61,913,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897,992.15 : 107,489,862.93 = 44,868,983.21 : x
  2. Step 2: Convert to fraction form
    77,897,992.15/107,489,862.93 = 44,868,983.21/x
  3. Step 3: Cross multiply
    77,897,992.15x = 107,489,862.93 × 44,868,983.21
  4. Step 4: Simplify right side
    77,897,992.15x = 4,822,960,855,051,372
  5. Step 5: Solve for x
    x = 4,822,960,855,051,372/77,897,992.15
  6. Step 6: Final answer
    x = 61,913,801.91

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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.