Home / 65,882,289.15-90,864,545.97-57,917,802.33

Finding the Fourth Proportional to 65,882,289.15, 90,864,545.97 and 57,917,802.33

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Solution

The fourth proportional to 65,882,289.15, 90,864,545.97 and 57,917,802.33 is: 79,879,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882,289.15 : 90,864,545.97 = 57,917,802.33 : x
  2. Step 2: Convert to fraction form
    65,882,289.15/90,864,545.97 = 57,917,802.33/x
  3. Step 3: Cross multiply
    65,882,289.15x = 90,864,545.97 × 57,917,802.33
  4. Step 4: Simplify right side
    65,882,289.15x = 5,262,674,812,295,658
  5. Step 5: Solve for x
    x = 5,262,674,812,295,658/65,882,289.15
  6. Step 6: Final answer
    x = 79,879,962.89

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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.