Home / 55,117,071.78-76,056,615.27-31,913,764.80

Finding the Fourth Proportional to 55,117,071.78, 76,056,615.27 and 31,913,764.80

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Solution

The fourth proportional to 55,117,071.78, 76,056,615.27 and 31,913,764.80 is: 44,038,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117,071.78 : 76,056,615.27 = 31,913,764.80 : x
  2. Step 2: Convert to fraction form
    55,117,071.78/76,056,615.27 = 31,913,764.80/x
  3. Step 3: Cross multiply
    55,117,071.78x = 76,056,615.27 × 31,913,764.80
  4. Step 4: Simplify right side
    55,117,071.78x = 2,427,252,931,210,868.50
  5. Step 5: Solve for x
    x = 2,427,252,931,210,868.50/55,117,071.78
  6. Step 6: Final answer
    x = 44,038,132.88

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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.