Home / 219,950,688.80-329,142,212.40-191,509,191.20

Finding the Fourth Proportional to 219,950,688.80, 329,142,212.40 and 191,509,191.20

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Solution

The fourth proportional to 219,950,688.80, 329,142,212.40 and 191,509,191.20 is: 286,581,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950,688.80 : 329,142,212.40 = 191,509,191.20 : x
  2. Step 2: Convert to fraction form
    219,950,688.80/329,142,212.40 = 191,509,191.20/x
  3. Step 3: Cross multiply
    219,950,688.80x = 329,142,212.40 × 191,509,191.20
  4. Step 4: Simplify right side
    219,950,688.80x = 63,033,758,886,502,600
  5. Step 5: Solve for x
    x = 63,033,758,886,502,600/219,950,688.80
  6. Step 6: Final answer
    x = 286,581,320.71

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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.