Home / 105,923,671.24-146,186,913.06-61,881,679.34

Finding the Fourth Proportional to 105,923,671.24, 146,186,913.06 and 61,881,679.34

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Solution

The fourth proportional to 105,923,671.24, 146,186,913.06 and 61,881,679.34 is: 85,403,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923,671.24 : 146,186,913.06 = 61,881,679.34 : x
  2. Step 2: Convert to fraction form
    105,923,671.24/146,186,913.06 = 61,881,679.34/x
  3. Step 3: Cross multiply
    105,923,671.24x = 146,186,913.06 × 61,881,679.34
  4. Step 4: Simplify right side
    105,923,671.24x = 9,046,291,677,683,378
  5. Step 5: Solve for x
    x = 9,046,291,677,683,378/105,923,671.24
  6. Step 6: Final answer
    x = 85,403,872.16

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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.