Home / 219,197,753.70-302,490,491.94-118,723,691.24

Finding the Fourth Proportional to 219,197,753.70, 302,490,491.94 and 118,723,691.24

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Solution

The fourth proportional to 219,197,753.70, 302,490,491.94 and 118,723,691.24 is: 163,837,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,197,753.70 : 302,490,491.94 = 118,723,691.24 : x
  2. Step 2: Convert to fraction form
    219,197,753.70/302,490,491.94 = 118,723,691.24/x
  3. Step 3: Cross multiply
    219,197,753.70x = 302,490,491.94 × 118,723,691.24
  4. Step 4: Simplify right side
    219,197,753.70x = 35,912,787,767,742,152
  5. Step 5: Solve for x
    x = 35,912,787,767,742,152/219,197,753.70
  6. Step 6: Final answer
    x = 163,837,389.58

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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.