Home / 75,029,417.46-103,540,596.09-40,690,601.46

Finding the Fourth Proportional to 75,029,417.46, 103,540,596.09 and 40,690,601.46

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Solution

The fourth proportional to 75,029,417.46, 103,540,596.09 and 40,690,601.46 is: 56,153,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029,417.46 : 103,540,596.09 = 40,690,601.46 : x
  2. Step 2: Convert to fraction form
    75,029,417.46/103,540,596.09 = 40,690,601.46/x
  3. Step 3: Cross multiply
    75,029,417.46x = 103,540,596.09 × 40,690,601.46
  4. Step 4: Simplify right side
    75,029,417.46x = 4,213,129,130,429,024.50
  5. Step 5: Solve for x
    x = 4,213,129,130,429,024.50/75,029,417.46
  6. Step 6: Final answer
    x = 56,153,030.01

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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.