Home / 315,045,109.62-434,750,854.53-173,913,298.76

Finding the Fourth Proportional to 315,045,109.62, 434,750,854.53 and 173,913,298.76

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Solution

The fourth proportional to 315,045,109.62, 434,750,854.53 and 173,913,298.76 is: 239,994,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,109.62 : 434,750,854.53 = 173,913,298.76 : x
  2. Step 2: Convert to fraction form
    315,045,109.62/434,750,854.53 = 173,913,298.76/x
  3. Step 3: Cross multiply
    315,045,109.62x = 434,750,854.53 × 173,913,298.76
  4. Step 4: Simplify right side
    315,045,109.62x = 75,608,955,250,041,184
  5. Step 5: Solve for x
    x = 75,608,955,250,041,184/315,045,109.62
  6. Step 6: Final answer
    x = 239,994,060.98

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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.