Home / 77,484,102.75-106,932,913.29-42,676,780.32

Finding the Fourth Proportional to 77,484,102.75, 106,932,913.29 and 42,676,780.32

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Solution

The fourth proportional to 77,484,102.75, 106,932,913.29 and 42,676,780.32 is: 58,896,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,484,102.75 : 106,932,913.29 = 42,676,780.32 : x
  2. Step 2: Convert to fraction form
    77,484,102.75/106,932,913.29 = 42,676,780.32/x
  3. Step 3: Cross multiply
    77,484,102.75x = 106,932,913.29 × 42,676,780.32
  4. Step 4: Simplify right side
    77,484,102.75x = 4,563,552,449,454,939
  5. Step 5: Solve for x
    x = 4,563,552,449,454,939/77,484,102.75
  6. Step 6: Final answer
    x = 58,896,628.95

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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.