Home / 313,829,707.50-433,088,980.66-172,717,175.34

Finding the Fourth Proportional to 313,829,707.50, 433,088,980.66 and 172,717,175.34

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Solution

The fourth proportional to 313,829,707.50, 433,088,980.66 and 172,717,175.34 is: 238,351,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,829,707.50 : 433,088,980.66 = 172,717,175.34 : x
  2. Step 2: Convert to fraction form
    313,829,707.50/433,088,980.66 = 172,717,175.34/x
  3. Step 3: Cross multiply
    313,829,707.50x = 433,088,980.66 × 172,717,175.34
  4. Step 4: Simplify right side
    313,829,707.50x = 74,801,905,410,475,088
  5. Step 5: Solve for x
    x = 74,801,905,410,475,088/313,829,707.50
  6. Step 6: Final answer
    x = 238,351,894.75

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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.