Home / 121,143,651.60-181,715,477.40-109,050,416.40

Finding the Fourth Proportional to 121,143,651.60, 181,715,477.40 and 109,050,416.40

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Solution

The fourth proportional to 121,143,651.60, 181,715,477.40 and 109,050,416.40 is: 163,575,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,651.60 : 181,715,477.40 = 109,050,416.40 : x
  2. Step 2: Convert to fraction form
    121,143,651.60/181,715,477.40 = 109,050,416.40/x
  3. Step 3: Cross multiply
    121,143,651.60x = 181,715,477.40 × 109,050,416.40
  4. Step 4: Simplify right side
    121,143,651.60x = 19,816,148,476,794,792
  5. Step 5: Solve for x
    x = 19,816,148,476,794,792/121,143,651.60
  6. Step 6: Final answer
    x = 163,575,624.60

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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.