Home / 315,045,109.75-434,750,854.70-173,913,298.88

Finding the Fourth Proportional to 315,045,109.75, 434,750,854.70 and 173,913,298.88

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Solution

The fourth proportional to 315,045,109.75, 434,750,854.70 and 173,913,298.88 is: 239,994,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,109.75 : 434,750,854.70 = 173,913,298.88 : x
  2. Step 2: Convert to fraction form
    315,045,109.75/434,750,854.70 = 173,913,298.88/x
  3. Step 3: Cross multiply
    315,045,109.75x = 434,750,854.70 × 173,913,298.88
  4. Step 4: Simplify right side
    315,045,109.75x = 75,608,955,331,667,888
  5. Step 5: Solve for x
    x = 75,608,955,331,667,888/315,045,109.75
  6. Step 6: Final answer
    x = 239,994,061.14

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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.