Home / 359,338,855.40-539,008,283.10-129,224,902.40

Finding the Fourth Proportional to 359,338,855.40, 539,008,283.10 and 129,224,902.40

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Solution

The fourth proportional to 359,338,855.40, 539,008,283.10 and 129,224,902.40 is: 193,837,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,338,855.40 : 539,008,283.10 = 129,224,902.40 : x
  2. Step 2: Convert to fraction form
    359,338,855.40/539,008,283.10 = 129,224,902.40/x
  3. Step 3: Cross multiply
    359,338,855.40x = 539,008,283.10 × 129,224,902.40
  4. Step 4: Simplify right side
    359,338,855.40x = 69,653,292,776,389,072
  5. Step 5: Solve for x
    x = 69,653,292,776,389,072/359,338,855.40
  6. Step 6: Final answer
    x = 193,837,353.60

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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.