Home / 56,126,901.60-84,127,366.80-31,877,445.60

Finding the Fourth Proportional to 56,126,901.60, 84,127,366.80 and 31,877,445.60

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Solution

The fourth proportional to 56,126,901.60, 84,127,366.80 and 31,877,445.60 is: 47,780,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126,901.60 : 84,127,366.80 = 31,877,445.60 : x
  2. Step 2: Convert to fraction form
    56,126,901.60/84,127,366.80 = 31,877,445.60/x
  3. Step 3: Cross multiply
    56,126,901.60x = 84,127,366.80 × 31,877,445.60
  4. Step 4: Simplify right side
    56,126,901.60x = 2,681,765,558,638,246
  5. Step 5: Solve for x
    x = 2,681,765,558,638,246/56,126,901.60
  6. Step 6: Final answer
    x = 47,780,395.54

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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.