Home / 69,791,397.66-104,638,617.78-30,908,661.48

Finding the Fourth Proportional to 69,791,397.66, 104,638,617.78 and 30,908,661.48

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Solution

The fourth proportional to 69,791,397.66, 104,638,617.78 and 30,908,661.48 is: 46,341,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791,397.66 : 104,638,617.78 = 30,908,661.48 : x
  2. Step 2: Convert to fraction form
    69,791,397.66/104,638,617.78 = 30,908,661.48/x
  3. Step 3: Cross multiply
    69,791,397.66x = 104,638,617.78 × 30,908,661.48
  4. Step 4: Simplify right side
    69,791,397.66x = 3,234,239,614,697,129
  5. Step 5: Solve for x
    x = 3,234,239,614,697,129/69,791,397.66
  6. Step 6: Final answer
    x = 46,341,522.35

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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.