Home / 134,136,021.40-201,204,032.10-69,565,939.90

Finding the Fourth Proportional to 134,136,021.40, 201,204,032.10 and 69,565,939.90

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Solution

The fourth proportional to 134,136,021.40, 201,204,032.10 and 69,565,939.90 is: 104,348,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,021.40 : 201,204,032.10 = 69,565,939.90 : x
  2. Step 2: Convert to fraction form
    134,136,021.40/201,204,032.10 = 69,565,939.90/x
  3. Step 3: Cross multiply
    134,136,021.40x = 201,204,032.10 × 69,565,939.90
  4. Step 4: Simplify right side
    134,136,021.40x = 13,996,947,604,706,272
  5. Step 5: Solve for x
    x = 13,996,947,604,706,272/134,136,021.40
  6. Step 6: Final answer
    x = 104,348,909.85

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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.