Home / 40,806,476.70-61,209,715.05-31,559,403.30

Finding the Fourth Proportional to 40,806,476.70, 61,209,715.05 and 31,559,403.30

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Solution

The fourth proportional to 40,806,476.70, 61,209,715.05 and 31,559,403.30 is: 47,339,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,806,476.70 : 61,209,715.05 = 31,559,403.30 : x
  2. Step 2: Convert to fraction form
    40,806,476.70/61,209,715.05 = 31,559,403.30/x
  3. Step 3: Cross multiply
    40,806,476.70x = 61,209,715.05 × 31,559,403.30
  4. Step 4: Simplify right side
    40,806,476.70x = 1,931,742,083,141,029.50
  5. Step 5: Solve for x
    x = 1,931,742,083,141,029.50/40,806,476.70
  6. Step 6: Final answer
    x = 47,339,104.95

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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.