Home / 76,165,867.89-114,169,070.39-31,875,530.63

Finding the Fourth Proportional to 76,165,867.89, 114,169,070.39 and 31,875,530.63

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Solution

The fourth proportional to 76,165,867.89, 114,169,070.39 and 31,875,530.63 is: 47,779,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165,867.89 : 114,169,070.39 = 31,875,530.63 : x
  2. Step 2: Convert to fraction form
    76,165,867.89/114,169,070.39 = 31,875,530.63/x
  3. Step 3: Cross multiply
    76,165,867.89x = 114,169,070.39 × 31,875,530.63
  4. Step 4: Simplify right side
    76,165,867.89x = 3,639,199,699,484,848
  5. Step 5: Solve for x
    x = 3,639,199,699,484,848/76,165,867.89
  6. Step 6: Final answer
    x = 47,779,928.21

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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.