Home / 74,885,913.70-112,328,870.55-18,152,217.70

Finding the Fourth Proportional to 74,885,913.70, 112,328,870.55 and 18,152,217.70

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Solution

The fourth proportional to 74,885,913.70, 112,328,870.55 and 18,152,217.70 is: 27,228,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885,913.70 : 112,328,870.55 = 18,152,217.70 : x
  2. Step 2: Convert to fraction form
    74,885,913.70/112,328,870.55 = 18,152,217.70/x
  3. Step 3: Cross multiply
    74,885,913.70x = 112,328,870.55 × 18,152,217.70
  4. Step 4: Simplify right side
    74,885,913.70x = 2,039,018,112,218,718.50
  5. Step 5: Solve for x
    x = 2,039,018,112,218,718.50/74,885,913.70
  6. Step 6: Final answer
    x = 27,228,326.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.