Home / 359,936,021.80-539,904,032.70-237,492,015.40

Finding the Fourth Proportional to 359,936,021.80, 539,904,032.70 and 237,492,015.40

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Solution

The fourth proportional to 359,936,021.80, 539,904,032.70 and 237,492,015.40 is: 356,238,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,936,021.80 : 539,904,032.70 = 237,492,015.40 : x
  2. Step 2: Convert to fraction form
    359,936,021.80/539,904,032.70 = 237,492,015.40/x
  3. Step 3: Cross multiply
    359,936,021.80x = 539,904,032.70 × 237,492,015.40
  4. Step 4: Simplify right side
    359,936,021.80x = 128,222,896,848,510,512
  5. Step 5: Solve for x
    x = 128,222,896,848,510,512/359,936,021.80
  6. Step 6: Final answer
    x = 356,238,023.10

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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.