Home / 92,991,726.72-128,328,545.79-51,175,792.26

Finding the Fourth Proportional to 92,991,726.72, 128,328,545.79 and 51,175,792.26

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Solution

The fourth proportional to 92,991,726.72, 128,328,545.79 and 51,175,792.26 is: 70,622,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,991,726.72 : 128,328,545.79 = 51,175,792.26 : x
  2. Step 2: Convert to fraction form
    92,991,726.72/128,328,545.79 = 51,175,792.26/x
  3. Step 3: Cross multiply
    92,991,726.72x = 128,328,545.79 × 51,175,792.26
  4. Step 4: Simplify right side
    92,991,726.72x = 6,567,315,000,376,938
  5. Step 5: Solve for x
    x = 6,567,315,000,376,938/92,991,726.72
  6. Step 6: Final answer
    x = 70,622,572.91

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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.