Home / 359,845,721.47-539,768,588.33-87,216,488.47

Finding the Fourth Proportional to 359,845,721.47, 539,768,588.33 and 87,216,488.47

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Solution

The fourth proportional to 359,845,721.47, 539,768,588.33 and 87,216,488.47 is: 130,824,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,845,721.47 : 539,768,588.33 = 87,216,488.47 : x
  2. Step 2: Convert to fraction form
    359,845,721.47/539,768,588.33 = 87,216,488.47/x
  3. Step 3: Cross multiply
    359,845,721.47x = 539,768,588.33 × 87,216,488.47
  4. Step 4: Simplify right side
    359,845,721.47x = 47,076,720,861,444,368
  5. Step 5: Solve for x
    x = 47,076,720,861,444,368/359,845,721.47
  6. Step 6: Final answer
    x = 130,824,734.19

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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.