Home / 152,042,737.14-209,992,187.27-103,065,134.58

Finding the Fourth Proportional to 152,042,737.14, 209,992,187.27 and 103,065,134.58

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Solution

The fourth proportional to 152,042,737.14, 209,992,187.27 and 103,065,134.58 is: 142,347,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042,737.14 : 209,992,187.27 = 103,065,134.58 : x
  2. Step 2: Convert to fraction form
    152,042,737.14/209,992,187.27 = 103,065,134.58/x
  3. Step 3: Cross multiply
    152,042,737.14x = 209,992,187.27 × 103,065,134.58
  4. Step 4: Simplify right side
    152,042,737.14x = 21,642,873,041,988,776
  5. Step 5: Solve for x
    x = 21,642,873,041,988,776/152,042,737.14
  6. Step 6: Final answer
    x = 142,347,299.51

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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.