Home / 76,165,875.63-114,169,081.98-31,875,538.41

Finding the Fourth Proportional to 76,165,875.63, 114,169,081.98 and 31,875,538.41

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Solution

The fourth proportional to 76,165,875.63, 114,169,081.98 and 31,875,538.41 is: 47,779,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165,875.63 : 114,169,081.98 = 31,875,538.41 : x
  2. Step 2: Convert to fraction form
    76,165,875.63/114,169,081.98 = 31,875,538.41/x
  3. Step 3: Cross multiply
    76,165,875.63x = 114,169,081.98 × 31,875,538.41
  4. Step 4: Simplify right side
    76,165,875.63x = 3,639,200,957,887,929
  5. Step 5: Solve for x
    x = 3,639,200,957,887,929/76,165,875.63
  6. Step 6: Final answer
    x = 47,779,939.87

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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.