Home / 359,842,521.60-539,763,782.40-87,213,288.96

Finding the Fourth Proportional to 359,842,521.60, 539,763,782.40 and 87,213,288.96

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Solution

The fourth proportional to 359,842,521.60, 539,763,782.40 and 87,213,288.96 is: 130,819,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,842,521.60 : 539,763,782.40 = 87,213,288.96 : x
  2. Step 2: Convert to fraction form
    359,842,521.60/539,763,782.40 = 87,213,288.96/x
  3. Step 3: Cross multiply
    359,842,521.60x = 539,763,782.40 × 87,213,288.96
  4. Step 4: Simplify right side
    359,842,521.60x = 47,074,574,724,593,760
  5. Step 5: Solve for x
    x = 47,074,574,724,593,760/359,842,521.60
  6. Step 6: Final answer
    x = 130,819,933.44

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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.