Home / 51,817,317.51-77,752,876.38-21,134,407.35

Finding the Fourth Proportional to 51,817,317.51, 77,752,876.38 and 21,134,407.35

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Solution

The fourth proportional to 51,817,317.51, 77,752,876.38 and 21,134,407.35 is: 31,712,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817,317.51 : 77,752,876.38 = 21,134,407.35 : x
  2. Step 2: Convert to fraction form
    51,817,317.51/77,752,876.38 = 21,134,407.35/x
  3. Step 3: Cross multiply
    51,817,317.51x = 77,752,876.38 × 21,134,407.35
  4. Step 4: Simplify right side
    51,817,317.51x = 1,643,260,962,261,432.75
  5. Step 5: Solve for x
    x = 1,643,260,962,261,432.75/51,817,317.51
  6. Step 6: Final answer
    x = 31,712,582.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.