Home / 359,339,990.40-539,009,985.60-144,083,721.60

Finding the Fourth Proportional to 359,339,990.40, 539,009,985.60 and 144,083,721.60

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Solution

The fourth proportional to 359,339,990.40, 539,009,985.60 and 144,083,721.60 is: 216,125,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,339,990.40 : 539,009,985.60 = 144,083,721.60 : x
  2. Step 2: Convert to fraction form
    359,339,990.40/539,009,985.60 = 144,083,721.60/x
  3. Step 3: Cross multiply
    359,339,990.40x = 539,009,985.60 × 144,083,721.60
  4. Step 4: Simplify right side
    359,339,990.40x = 77,662,564,704,810,416
  5. Step 5: Solve for x
    x = 77,662,564,704,810,416/359,339,990.40
  6. Step 6: Final answer
    x = 216,125,582.40

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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.