Home / 190,851,504.12-263,386,351.65-143,725,433.67

Finding the Fourth Proportional to 190,851,504.12, 263,386,351.65 and 143,725,433.67

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Solution

The fourth proportional to 190,851,504.12, 263,386,351.65 and 143,725,433.67 is: 198,349,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851,504.12 : 263,386,351.65 = 143,725,433.67 : x
  2. Step 2: Convert to fraction form
    190,851,504.12/263,386,351.65 = 143,725,433.67/x
  3. Step 3: Cross multiply
    190,851,504.12x = 263,386,351.65 × 143,725,433.67
  4. Step 4: Simplify right side
    190,851,504.12x = 37,855,317,613,655,368
  5. Step 5: Solve for x
    x = 37,855,317,613,655,368/190,851,504.12
  6. Step 6: Final answer
    x = 198,349,590.11

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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.