Home / 123,095,217.95-169,854,760.77-70,178,751.89

Finding the Fourth Proportional to 123,095,217.95, 169,854,760.77 and 70,178,751.89

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Solution

The fourth proportional to 123,095,217.95, 169,854,760.77 and 70,178,751.89 is: 96,837,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,095,217.95 : 169,854,760.77 = 70,178,751.89 : x
  2. Step 2: Convert to fraction form
    123,095,217.95/169,854,760.77 = 70,178,751.89/x
  3. Step 3: Cross multiply
    123,095,217.95x = 169,854,760.77 × 70,178,751.89
  4. Step 4: Simplify right side
    123,095,217.95x = 11,920,195,113,413,136
  5. Step 5: Solve for x
    x = 11,920,195,113,413,136/123,095,217.95
  6. Step 6: Final answer
    x = 96,837,190.85

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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.