Home / 77,251,493.76-106,701,374.16-57,758,828.40

Finding the Fourth Proportional to 77,251,493.76, 106,701,374.16 and 57,758,828.40

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Solution

The fourth proportional to 77,251,493.76, 106,701,374.16 and 57,758,828.40 is: 79,777,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251,493.76 : 106,701,374.16 = 57,758,828.40 : x
  2. Step 2: Convert to fraction form
    77,251,493.76/106,701,374.16 = 57,758,828.40/x
  3. Step 3: Cross multiply
    77,251,493.76x = 106,701,374.16 × 57,758,828.40
  4. Step 4: Simplify right side
    77,251,493.76x = 6,162,946,360,151,634
  5. Step 5: Solve for x
    x = 6,162,946,360,151,634/77,251,493.76
  6. Step 6: Final answer
    x = 79,777,698.27

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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.