Home / 247,343,258.10-370,988,315.10-65,590,436.10

Finding the Fourth Proportional to 247,343,258.10, 370,988,315.10 and 65,590,436.10

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Solution

The fourth proportional to 247,343,258.10, 370,988,315.10 and 65,590,436.10 is: 98,378,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,343,258.10 : 370,988,315.10 = 65,590,436.10 : x
  2. Step 2: Convert to fraction form
    247,343,258.10/370,988,315.10 = 65,590,436.10/x
  3. Step 3: Cross multiply
    247,343,258.10x = 370,988,315.10 × 65,590,436.10
  4. Step 4: Simplify right side
    247,343,258.10x = 24,333,285,375,413,216
  5. Step 5: Solve for x
    x = 24,333,285,375,413,216/247,343,258.10
  6. Step 6: Final answer
    x = 98,378,607.78

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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.