Home / 235,668,313.83-325,197,807.04-145,127,411.29

Finding the Fourth Proportional to 235,668,313.83, 325,197,807.04 and 145,127,411.29

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Solution

The fourth proportional to 235,668,313.83, 325,197,807.04 and 145,127,411.29 is: 200,260,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,668,313.83 : 325,197,807.04 = 145,127,411.29 : x
  2. Step 2: Convert to fraction form
    235,668,313.83/325,197,807.04 = 145,127,411.29/x
  3. Step 3: Cross multiply
    235,668,313.83x = 325,197,807.04 × 145,127,411.29
  4. Step 4: Simplify right side
    235,668,313.83x = 47,195,115,892,900,136
  5. Step 5: Solve for x
    x = 47,195,115,892,900,136/235,668,313.83
  6. Step 6: Final answer
    x = 200,260,761.09

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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.