Home / 359,376,005.40-539,064,008.10-117,063,403.80

Finding the Fourth Proportional to 359,376,005.40, 539,064,008.10 and 117,063,403.80

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Solution

The fourth proportional to 359,376,005.40, 539,064,008.10 and 117,063,403.80 is: 175,595,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,376,005.40 : 539,064,008.10 = 117,063,403.80 : x
  2. Step 2: Convert to fraction form
    359,376,005.40/539,064,008.10 = 117,063,403.80/x
  3. Step 3: Cross multiply
    359,376,005.40x = 539,064,008.10 × 117,063,403.80
  4. Step 4: Simplify right side
    359,376,005.40x = 63,104,667,654,256,768
  5. Step 5: Solve for x
    x = 63,104,667,654,256,768/359,376,005.40
  6. Step 6: Final answer
    x = 175,595,105.70

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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.