Home / 91,004,041.70-136,506,062.55-39,985,705.70

Finding the Fourth Proportional to 91,004,041.70, 136,506,062.55 and 39,985,705.70

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Solution

The fourth proportional to 91,004,041.70, 136,506,062.55 and 39,985,705.70 is: 59,978,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,004,041.70 : 136,506,062.55 = 39,985,705.70 : x
  2. Step 2: Convert to fraction form
    91,004,041.70/136,506,062.55 = 39,985,705.70/x
  3. Step 3: Cross multiply
    91,004,041.70x = 136,506,062.55 × 39,985,705.70
  4. Step 4: Simplify right side
    91,004,041.70x = 5,458,291,243,390,092
  5. Step 5: Solve for x
    x = 5,458,291,243,390,092/91,004,041.70
  6. Step 6: Final answer
    x = 59,978,558.55

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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.