Home / 105,074,853.80-157,475,568.93-42,753,539.73

Finding the Fourth Proportional to 105,074,853.80, 157,475,568.93 and 42,753,539.73

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Solution

The fourth proportional to 105,074,853.80, 157,475,568.93 and 42,753,539.73 is: 64,074,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,074,853.80 : 157,475,568.93 = 42,753,539.73 : x
  2. Step 2: Convert to fraction form
    105,074,853.80/157,475,568.93 = 42,753,539.73/x
  3. Step 3: Cross multiply
    105,074,853.80x = 157,475,568.93 × 42,753,539.73
  4. Step 4: Simplify right side
    105,074,853.80x = 6,732,637,992,753,108
  5. Step 5: Solve for x
    x = 6,732,637,992,753,108/105,074,853.80
  6. Step 6: Final answer
    x = 64,074,683.42

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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.