Home / 65,074,097.07-89,720,545.59-47,640,175.20

Finding the Fourth Proportional to 65,074,097.07, 89,720,545.59 and 47,640,175.20

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Solution

The fourth proportional to 65,074,097.07, 89,720,545.59 and 47,640,175.20 is: 65,683,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,074,097.07 : 89,720,545.59 = 47,640,175.20 : x
  2. Step 2: Convert to fraction form
    65,074,097.07/89,720,545.59 = 47,640,175.20/x
  3. Step 3: Cross multiply
    65,074,097.07x = 89,720,545.59 × 47,640,175.20
  4. Step 4: Simplify right side
    65,074,097.07x = 4,274,302,510,947,188
  5. Step 5: Solve for x
    x = 4,274,302,510,947,188/65,074,097.07
  6. Step 6: Final answer
    x = 65,683,623.80

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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.