Home / 219,140,526.33-302,423,432.49-121,355,382.33

Finding the Fourth Proportional to 219,140,526.33, 302,423,432.49 and 121,355,382.33

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Solution

The fourth proportional to 219,140,526.33, 302,423,432.49 and 121,355,382.33 is: 167,475,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,140,526.33 : 302,423,432.49 = 121,355,382.33 : x
  2. Step 2: Convert to fraction form
    219,140,526.33/302,423,432.49 = 121,355,382.33/x
  3. Step 3: Cross multiply
    219,140,526.33x = 302,423,432.49 × 121,355,382.33
  4. Step 4: Simplify right side
    219,140,526.33x = 36,700,711,275,374,896
  5. Step 5: Solve for x
    x = 36,700,711,275,374,896/219,140,526.33
  6. Step 6: Final answer
    x = 167,475,691.92

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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.