Home / 51,312,393.37-70,784,256.40-31,727,021.05

Finding the Fourth Proportional to 51,312,393.37, 70,784,256.40 and 31,727,021.05

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Solution

The fourth proportional to 51,312,393.37, 70,784,256.40 and 31,727,021.05 is: 43,766,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312,393.37 : 70,784,256.40 = 31,727,021.05 : x
  2. Step 2: Convert to fraction form
    51,312,393.37/70,784,256.40 = 31,727,021.05/x
  3. Step 3: Cross multiply
    51,312,393.37x = 70,784,256.40 × 31,727,021.05
  4. Step 4: Simplify right side
    51,312,393.37x = 2,245,773,592,811,397.50
  5. Step 5: Solve for x
    x = 2,245,773,592,811,397.50/51,312,393.37
  6. Step 6: Final answer
    x = 43,766,689.59

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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.