Home / 190,092,031.61-262,282,042.10-107,585,816.36

Finding the Fourth Proportional to 190,092,031.61, 262,282,042.10 and 107,585,816.36

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Solution

The fourth proportional to 190,092,031.61, 262,282,042.10 and 107,585,816.36 is: 148,442,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092,031.61 : 262,282,042.10 = 107,585,816.36 : x
  2. Step 2: Convert to fraction form
    190,092,031.61/262,282,042.10 = 107,585,816.36/x
  3. Step 3: Cross multiply
    190,092,031.61x = 262,282,042.10 × 107,585,816.36
  4. Step 4: Simplify right side
    190,092,031.61x = 28,217,827,614,853,944
  5. Step 5: Solve for x
    x = 28,217,827,614,853,944/190,092,031.61
  6. Step 6: Final answer
    x = 148,442,979.84

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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.