Home / 91,044,549.72-136,663,075.26-88,988,463

Finding the Fourth Proportional to 91,044,549.72, 136,663,075.26 and 88,988,463

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Solution

The fourth proportional to 91,044,549.72, 136,663,075.26 and 88,988,463 is: 133,576,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,044,549.72 : 136,663,075.26 = 88,988,463 : x
  2. Step 2: Convert to fraction form
    91,044,549.72/136,663,075.26 = 88,988,463/x
  3. Step 3: Cross multiply
    91,044,549.72x = 136,663,075.26 × 88,988,463
  4. Step 4: Simplify right side
    91,044,549.72x = 12,161,437,016,240,724
  5. Step 5: Solve for x
    x = 12,161,437,016,240,724/91,044,549.72
  6. Step 6: Final answer
    x = 133,576,771.52

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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.