Home / 105,510,202.42-145,604,934.40-58,468,061.78

Finding the Fourth Proportional to 105,510,202.42, 145,604,934.40 and 58,468,061.78

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Solution

The fourth proportional to 105,510,202.42, 145,604,934.40 and 58,468,061.78 is: 80,686,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,510,202.42 : 145,604,934.40 = 58,468,061.78 : x
  2. Step 2: Convert to fraction form
    105,510,202.42/145,604,934.40 = 58,468,061.78/x
  3. Step 3: Cross multiply
    105,510,202.42x = 145,604,934.40 × 58,468,061.78
  4. Step 4: Simplify right side
    105,510,202.42x = 8,513,238,299,972,048
  5. Step 5: Solve for x
    x = 8,513,238,299,972,048/105,510,202.42
  6. Step 6: Final answer
    x = 80,686,399.08

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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.