Home / 74,733,883.40-112,100,825.10-20,146,363.40

Finding the Fourth Proportional to 74,733,883.40, 112,100,825.10 and 20,146,363.40

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Solution

The fourth proportional to 74,733,883.40, 112,100,825.10 and 20,146,363.40 is: 30,219,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,883.40 : 112,100,825.10 = 20,146,363.40 : x
  2. Step 2: Convert to fraction form
    74,733,883.40/112,100,825.10 = 20,146,363.40/x
  3. Step 3: Cross multiply
    74,733,883.40x = 112,100,825.10 × 20,146,363.40
  4. Step 4: Simplify right side
    74,733,883.40x = 2,258,423,959,904,441
  5. Step 5: Solve for x
    x = 2,258,423,959,904,441/74,733,883.40
  6. Step 6: Final answer
    x = 30,219,545.10

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1.5x scale

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.