Home / 91,986,666.40-138,075,702.76-67,752,956.80

Finding the Fourth Proportional to 91,986,666.40, 138,075,702.76 and 67,752,956.80

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Solution

The fourth proportional to 91,986,666.40, 138,075,702.76 and 67,752,956.80 is: 101,699,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,666.40 : 138,075,702.76 = 67,752,956.80 : x
  2. Step 2: Convert to fraction form
    91,986,666.40/138,075,702.76 = 67,752,956.80/x
  3. Step 3: Cross multiply
    91,986,666.40x = 138,075,702.76 × 67,752,956.80
  4. Step 4: Simplify right side
    91,986,666.40x = 9,355,037,124,227,920
  5. Step 5: Solve for x
    x = 9,355,037,124,227,920/91,986,666.40
  6. Step 6: Final answer
    x = 101,699,925.55

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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.