Home / 80,973,209.27-111,742,690.35-43,803,397.10

Finding the Fourth Proportional to 80,973,209.27, 111,742,690.35 and 43,803,397.10

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Solution

The fourth proportional to 80,973,209.27, 111,742,690.35 and 43,803,397.10 is: 60,448,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,973,209.27 : 111,742,690.35 = 43,803,397.10 : x
  2. Step 2: Convert to fraction form
    80,973,209.27/111,742,690.35 = 43,803,397.10/x
  3. Step 3: Cross multiply
    80,973,209.27x = 111,742,690.35 × 43,803,397.10
  4. Step 4: Simplify right side
    80,973,209.27x = 4,894,709,438,423,388
  5. Step 5: Solve for x
    x = 4,894,709,438,423,388/80,973,209.27
  6. Step 6: Final answer
    x = 60,448,504.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.