Home / 91,004,033.70-136,506,050.55-39,985,697.70

Finding the Fourth Proportional to 91,004,033.70, 136,506,050.55 and 39,985,697.70

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Solution

The fourth proportional to 91,004,033.70, 136,506,050.55 and 39,985,697.70 is: 59,978,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,004,033.70 : 136,506,050.55 = 39,985,697.70 : x
  2. Step 2: Convert to fraction form
    91,004,033.70/136,506,050.55 = 39,985,697.70/x
  3. Step 3: Cross multiply
    91,004,033.70x = 136,506,050.55 × 39,985,697.70
  4. Step 4: Simplify right side
    91,004,033.70x = 5,458,289,671,513,220
  5. Step 5: Solve for x
    x = 5,458,289,671,513,220/91,004,033.70
  6. Step 6: Final answer
    x = 59,978,546.55

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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.