Home / 51,078,663-70,490,786.97-28,753,088.41

Finding the Fourth Proportional to 51,078,663, 70,490,786.97 and 28,753,088.41

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Solution

The fourth proportional to 51,078,663, 70,490,786.97 and 28,753,088.41 is: 39,680,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078,663 : 70,490,786.97 = 28,753,088.41 : x
  2. Step 2: Convert to fraction form
    51,078,663/70,490,786.97 = 28,753,088.41/x
  3. Step 3: Cross multiply
    51,078,663x = 70,490,786.97 × 28,753,088.41
  4. Step 4: Simplify right side
    51,078,663x = 2,026,827,829,838,886
  5. Step 5: Solve for x
    x = 2,026,827,829,838,886/51,078,663
  6. Step 6: Final answer
    x = 39,680,518.46

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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.