Home / 137,212,727.04-189,358,888.32-75,335,673.60

Finding the Fourth Proportional to 137,212,727.04, 189,358,888.32 and 75,335,673.60

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Solution

The fourth proportional to 137,212,727.04, 189,358,888.32 and 75,335,673.60 is: 103,966,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,212,727.04 : 189,358,888.32 = 75,335,673.60 : x
  2. Step 2: Convert to fraction form
    137,212,727.04/189,358,888.32 = 75,335,673.60/x
  3. Step 3: Cross multiply
    137,212,727.04x = 189,358,888.32 × 75,335,673.60
  4. Step 4: Simplify right side
    137,212,727.04x = 14,265,479,403,734,370
  5. Step 5: Solve for x
    x = 14,265,479,403,734,370/137,212,727.04
  6. Step 6: Final answer
    x = 103,966,153.22

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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.