Home / 201,465,705.20-302,198,557.80-72,077,536.40

Finding the Fourth Proportional to 201,465,705.20, 302,198,557.80 and 72,077,536.40

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Solution

The fourth proportional to 201,465,705.20, 302,198,557.80 and 72,077,536.40 is: 108,116,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,705.20 : 302,198,557.80 = 72,077,536.40 : x
  2. Step 2: Convert to fraction form
    201,465,705.20/302,198,557.80 = 72,077,536.40/x
  3. Step 3: Cross multiply
    201,465,705.20x = 302,198,557.80 × 72,077,536.40
  4. Step 4: Simplify right side
    201,465,705.20x = 21,781,727,549,857,008
  5. Step 5: Solve for x
    x = 21,781,727,549,857,008/201,465,705.20
  6. Step 6: Final answer
    x = 108,116,304.60

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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.