Home / 89,249,163.04-133,272,739.44-72,886,906.64

Finding the Fourth Proportional to 89,249,163.04, 133,272,739.44 and 72,886,906.64

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Solution

The fourth proportional to 89,249,163.04, 133,272,739.44 and 72,886,906.64 is: 108,839,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249,163.04 : 133,272,739.44 = 72,886,906.64 : x
  2. Step 2: Convert to fraction form
    89,249,163.04/133,272,739.44 = 72,886,906.64/x
  3. Step 3: Cross multiply
    89,249,163.04x = 133,272,739.44 × 72,886,906.64
  4. Step 4: Simplify right side
    89,249,163.04x = 9,713,837,717,220,326
  5. Step 5: Solve for x
    x = 9,713,837,717,220,326/89,249,163.04
  6. Step 6: Final answer
    x = 108,839,538.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.