Home / 60,696,912.60-91,045,368.90-19,760,209.20

Finding the Fourth Proportional to 60,696,912.60, 91,045,368.90 and 19,760,209.20

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Solution

The fourth proportional to 60,696,912.60, 91,045,368.90 and 19,760,209.20 is: 29,640,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,696,912.60 : 91,045,368.90 = 19,760,209.20 : x
  2. Step 2: Convert to fraction form
    60,696,912.60/91,045,368.90 = 19,760,209.20/x
  3. Step 3: Cross multiply
    60,696,912.60x = 91,045,368.90 × 19,760,209.20
  4. Step 4: Simplify right side
    60,696,912.60x = 1,799,075,536,155,174
  5. Step 5: Solve for x
    x = 1,799,075,536,155,174/60,696,912.60
  6. Step 6: Final answer
    x = 29,640,313.80

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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.