Home / 154,806,300.67-213,584,592.63-87,814,226.02

Finding the Fourth Proportional to 154,806,300.67, 213,584,592.63 and 87,814,226.02

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Solution

The fourth proportional to 154,806,300.67, 213,584,592.63 and 87,814,226.02 is: 121,156,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,806,300.67 : 213,584,592.63 = 87,814,226.02 : x
  2. Step 2: Convert to fraction form
    154,806,300.67/213,584,592.63 = 87,814,226.02/x
  3. Step 3: Cross multiply
    154,806,300.67x = 213,584,592.63 × 87,814,226.02
  4. Step 4: Simplify right side
    154,806,300.67x = 18,755,765,691,600,444
  5. Step 5: Solve for x
    x = 18,755,765,691,600,444/154,806,300.67
  6. Step 6: Final answer
    x = 121,156,345.77

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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.