Home / 119,491,631.22-164,854,709.63-72,414,743.18

Finding the Fourth Proportional to 119,491,631.22, 164,854,709.63 and 72,414,743.18

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Solution

The fourth proportional to 119,491,631.22, 164,854,709.63 and 72,414,743.18 is: 99,905,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,491,631.22 : 164,854,709.63 = 72,414,743.18 : x
  2. Step 2: Convert to fraction form
    119,491,631.22/164,854,709.63 = 72,414,743.18/x
  3. Step 3: Cross multiply
    119,491,631.22x = 164,854,709.63 × 72,414,743.18
  4. Step 4: Simplify right side
    119,491,631.22x = 11,937,911,458,955,130
  5. Step 5: Solve for x
    x = 11,937,911,458,955,130/119,491,631.22
  6. Step 6: Final answer
    x = 99,905,837.23

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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.