Home / 51,612,368.07-71,225,063.78-28,091,073.45

Finding the Fourth Proportional to 51,612,368.07, 71,225,063.78 and 28,091,073.45

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Solution

The fourth proportional to 51,612,368.07, 71,225,063.78 and 28,091,073.45 is: 38,765,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612,368.07 : 71,225,063.78 = 28,091,073.45 : x
  2. Step 2: Convert to fraction form
    51,612,368.07/71,225,063.78 = 28,091,073.45/x
  3. Step 3: Cross multiply
    51,612,368.07x = 71,225,063.78 × 28,091,073.45
  4. Step 4: Simplify right side
    51,612,368.07x = 2,000,788,497,984,459.50
  5. Step 5: Solve for x
    x = 2,000,788,497,984,459.50/51,612,368.07
  6. Step 6: Final answer
    x = 38,765,679.10

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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.