Home / 61,816,912.38-85,303,071.78-34,312,675.50

Finding the Fourth Proportional to 61,816,912.38, 85,303,071.78 and 34,312,675.50

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Solution

The fourth proportional to 61,816,912.38, 85,303,071.78 and 34,312,675.50 is: 47,349,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816,912.38 : 85,303,071.78 = 34,312,675.50 : x
  2. Step 2: Convert to fraction form
    61,816,912.38/85,303,071.78 = 34,312,675.50/x
  3. Step 3: Cross multiply
    61,816,912.38x = 85,303,071.78 × 34,312,675.50
  4. Step 4: Simplify right side
    61,816,912.38x = 2,926,976,621,140,347.50
  5. Step 5: Solve for x
    x = 2,926,976,621,140,347.50/61,816,912.38
  6. Step 6: Final answer
    x = 47,349,123.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.