Home / 289,935,826.80-400,111,500.18-159,555,634.80

Finding the Fourth Proportional to 289,935,826.80, 400,111,500.18 and 159,555,634.80

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Solution

The fourth proportional to 289,935,826.80, 400,111,500.18 and 159,555,634.80 is: 220,186,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935,826.80 : 400,111,500.18 = 159,555,634.80 : x
  2. Step 2: Convert to fraction form
    289,935,826.80/400,111,500.18 = 159,555,634.80/x
  3. Step 3: Cross multiply
    289,935,826.80x = 400,111,500.18 × 159,555,634.80
  4. Step 4: Simplify right side
    289,935,826.80x = 63,840,044,402,000,224
  5. Step 5: Solve for x
    x = 63,840,044,402,000,224/289,935,826.80
  6. Step 6: Final answer
    x = 220,186,808.60

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1.5x scale

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.