Home / 51,315,459.72-70,788,486.42-31,730,087.40

Finding the Fourth Proportional to 51,315,459.72, 70,788,486.42 and 31,730,087.40

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Solution

The fourth proportional to 51,315,459.72, 70,788,486.42 and 31,730,087.40 is: 43,770,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315,459.72 : 70,788,486.42 = 31,730,087.40 : x
  2. Step 2: Convert to fraction form
    51,315,459.72/70,788,486.42 = 31,730,087.40/x
  3. Step 3: Cross multiply
    51,315,459.72x = 70,788,486.42 × 31,730,087.40
  4. Step 4: Simplify right side
    51,315,459.72x = 2,246,124,861,020,313
  5. Step 5: Solve for x
    x = 2,246,124,861,020,313/51,315,459.72
  6. Step 6: Final answer
    x = 43,770,919.59

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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.