Home / 51,065,341.60-76,653,999.60-31,917,719.20

Finding the Fourth Proportional to 51,065,341.60, 76,653,999.60 and 31,917,719.20

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Solution

The fourth proportional to 51,065,341.60, 76,653,999.60 and 31,917,719.20 is: 47,911,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065,341.60 : 76,653,999.60 = 31,917,719.20 : x
  2. Step 2: Convert to fraction form
    51,065,341.60/76,653,999.60 = 31,917,719.20/x
  3. Step 3: Cross multiply
    51,065,341.60x = 76,653,999.60 × 31,917,719.20
  4. Step 4: Simplify right side
    51,065,341.60x = 2,446,620,834,789,712
  5. Step 5: Solve for x
    x = 2,446,620,834,789,712/51,065,341.60
  6. Step 6: Final answer
    x = 47,911,572.86

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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.