Home / 201,465,223.20-302,197,834.80-72,077,054.40

Finding the Fourth Proportional to 201,465,223.20, 302,197,834.80 and 72,077,054.40

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Solution

The fourth proportional to 201,465,223.20, 302,197,834.80 and 72,077,054.40 is: 108,115,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,223.20 : 302,197,834.80 = 72,077,054.40 : x
  2. Step 2: Convert to fraction form
    201,465,223.20/302,197,834.80 = 72,077,054.40/x
  3. Step 3: Cross multiply
    201,465,223.20x = 302,197,834.80 × 72,077,054.40
  4. Step 4: Simplify right side
    201,465,223.20x = 21,781,529,778,441,816
  5. Step 5: Solve for x
    x = 21,781,529,778,441,816/201,465,223.20
  6. Step 6: Final answer
    x = 108,115,581.60

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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.