Home / 172,349,156,568.38-258,299,493,888.80-70,126,620,361.34

Finding the Fourth Proportional to 172,349,156,568.38, 258,299,493,888.80 and 70,126,620,361.34

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Solution

The fourth proportional to 172,349,156,568.38, 258,299,493,888.80 and 70,126,620,361.34 is: 105,098,689,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,349,156,568.38 : 258,299,493,888.80 = 70,126,620,361.34 : x
  2. Step 2: Convert to fraction form
    172,349,156,568.38/258,299,493,888.80 = 70,126,620,361.34/x
  3. Step 3: Cross multiply
    172,349,156,568.38x = 258,299,493,888.80 × 70,126,620,361.34
  4. Step 4: Simplify right side
    172,349,156,568.38x = 18,113,670,547,466,136,584,192
  5. Step 5: Solve for x
    x = 18,113,670,547,466,136,584,192/172,349,156,568.38
  6. Step 6: Final answer
    x = 105,098,689,823.18

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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.