Home / 305,461,861.61-421,551,250.05-180,019,351.85

Finding the Fourth Proportional to 305,461,861.61, 421,551,250.05 and 180,019,351.85

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Solution

The fourth proportional to 305,461,861.61, 421,551,250.05 and 180,019,351.85 is: 248,434,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,461,861.61 : 421,551,250.05 = 180,019,351.85 : x
  2. Step 2: Convert to fraction form
    305,461,861.61/421,551,250.05 = 180,019,351.85/x
  3. Step 3: Cross multiply
    305,461,861.61x = 421,551,250.05 × 180,019,351.85
  4. Step 4: Simplify right side
    305,461,861.61x = 75,887,382,803,450,528
  5. Step 5: Solve for x
    x = 75,887,382,803,450,528/305,461,861.61
  6. Step 6: Final answer
    x = 248,434,886.13

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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.