Home / 53,153,885.70-79,730,828.55-45,501,135.30

Finding the Fourth Proportional to 53,153,885.70, 79,730,828.55 and 45,501,135.30

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Solution

The fourth proportional to 53,153,885.70, 79,730,828.55 and 45,501,135.30 is: 68,251,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153,885.70 : 79,730,828.55 = 45,501,135.30 : x
  2. Step 2: Convert to fraction form
    53,153,885.70/79,730,828.55 = 45,501,135.30/x
  3. Step 3: Cross multiply
    53,153,885.70x = 79,730,828.55 × 45,501,135.30
  4. Step 4: Simplify right side
    53,153,885.70x = 3,627,843,217,434,652.50
  5. Step 5: Solve for x
    x = 3,627,843,217,434,652.50/53,153,885.70
  6. Step 6: Final answer
    x = 68,251,702.95

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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.