Home / 61,392,431.40-92,101,441.05-20,464,585.35

Finding the Fourth Proportional to 61,392,431.40, 92,101,441.05 and 20,464,585.35

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Solution

The fourth proportional to 61,392,431.40, 92,101,441.05 and 20,464,585.35 is: 30,701,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,392,431.40 : 92,101,441.05 = 20,464,585.35 : x
  2. Step 2: Convert to fraction form
    61,392,431.40/92,101,441.05 = 20,464,585.35/x
  3. Step 3: Cross multiply
    61,392,431.40x = 92,101,441.05 × 20,464,585.35
  4. Step 4: Simplify right side
    61,392,431.40x = 1,884,817,801,225,718.75
  5. Step 5: Solve for x
    x = 1,884,817,801,225,718.75/61,392,431.40
  6. Step 6: Final answer
    x = 30,701,142.77

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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.