Home / 99,077,129.10-148,615,693.65-64,639,752.30

Finding the Fourth Proportional to 99,077,129.10, 148,615,693.65 and 64,639,752.30

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Solution

The fourth proportional to 99,077,129.10, 148,615,693.65 and 64,639,752.30 is: 96,959,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,129.10 : 148,615,693.65 = 64,639,752.30 : x
  2. Step 2: Convert to fraction form
    99,077,129.10/148,615,693.65 = 64,639,752.30/x
  3. Step 3: Cross multiply
    99,077,129.10x = 148,615,693.65 × 64,639,752.30
  4. Step 4: Simplify right side
    99,077,129.10x = 9,606,481,625,428,682
  5. Step 5: Solve for x
    x = 9,606,481,625,428,682/99,077,129.10
  6. Step 6: Final answer
    x = 96,959,628.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.