Home / 21,143,724,877.04-31,729,559,785.56-9,954,798,868.08

Finding the Fourth Proportional to 21,143,724,877.04, 31,729,559,785.56 and 9,954,798,868.08

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Solution

The fourth proportional to 21,143,724,877.04, 31,729,559,785.56 and 9,954,798,868.08 is: 14,938,776,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,143,724,877.04 : 31,729,559,785.56 = 9,954,798,868.08 : x
  2. Step 2: Convert to fraction form
    21,143,724,877.04/31,729,559,785.56 = 9,954,798,868.08/x
  3. Step 3: Cross multiply
    21,143,724,877.04x = 31,729,559,785.56 × 9,954,798,868.08
  4. Step 4: Simplify right side
    21,143,724,877.04x = 315,861,385,837,969,408,000
  5. Step 5: Solve for x
    x = 315,861,385,837,969,408,000/21,143,724,877.04
  6. Step 6: Final answer
    x = 14,938,776,761.18

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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.