Home / 137,233,478.80-205,661,261.40-91,044,038.80

Finding the Fourth Proportional to 137,233,478.80, 205,661,261.40 and 91,044,038.80

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Solution

The fourth proportional to 137,233,478.80, 205,661,261.40 and 91,044,038.80 is: 136,440,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,233,478.80 : 205,661,261.40 = 91,044,038.80 : x
  2. Step 2: Convert to fraction form
    137,233,478.80/205,661,261.40 = 91,044,038.80/x
  3. Step 3: Cross multiply
    137,233,478.80x = 205,661,261.40 × 91,044,038.80
  4. Step 4: Simplify right side
    137,233,478.80x = 18,724,231,862,558,544
  5. Step 5: Solve for x
    x = 18,724,231,862,558,544/137,233,478.80
  6. Step 6: Final answer
    x = 136,440,699.65

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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.