Home / 315,045,225.92-434,751,017.15-173,913,417.21

Finding the Fourth Proportional to 315,045,225.92, 434,751,017.15 and 173,913,417.21

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Solution

The fourth proportional to 315,045,225.92, 434,751,017.15 and 173,913,417.21 is: 239,994,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,225.92 : 434,751,017.15 = 173,913,417.21 : x
  2. Step 2: Convert to fraction form
    315,045,225.92/434,751,017.15 = 173,913,417.21/x
  3. Step 3: Cross multiply
    315,045,225.92x = 434,751,017.15 × 173,913,417.21
  4. Step 4: Simplify right side
    315,045,225.92x = 75,609,035,027,210,256
  5. Step 5: Solve for x
    x = 75,609,035,027,210,256/315,045,225.92
  6. Step 6: Final answer
    x = 239,994,225.62

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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.