Home / 75,029,417.69-103,540,596.41-40,690,601.69

Finding the Fourth Proportional to 75,029,417.69, 103,540,596.41 and 40,690,601.69

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Solution

The fourth proportional to 75,029,417.69, 103,540,596.41 and 40,690,601.69 is: 56,153,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029,417.69 : 103,540,596.41 = 40,690,601.69 : x
  2. Step 2: Convert to fraction form
    75,029,417.69/103,540,596.41 = 40,690,601.69/x
  3. Step 3: Cross multiply
    75,029,417.69x = 103,540,596.41 × 40,690,601.69
  4. Step 4: Simplify right side
    75,029,417.69x = 4,213,129,167,264,353.50
  5. Step 5: Solve for x
    x = 4,213,129,167,264,353.50/75,029,417.69
  6. Step 6: Final answer
    x = 56,153,030.33

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1.5x scale

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.