Home / 103,290,953.10-142,536,917.25-59,206,347.42

Finding the Fourth Proportional to 103,290,953.10, 142,536,917.25 and 59,206,347.42

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Solution

The fourth proportional to 103,290,953.10, 142,536,917.25 and 59,206,347.42 is: 81,702,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,290,953.10 : 142,536,917.25 = 59,206,347.42 : x
  2. Step 2: Convert to fraction form
    103,290,953.10/142,536,917.25 = 59,206,347.42/x
  3. Step 3: Cross multiply
    103,290,953.10x = 142,536,917.25 × 59,206,347.42
  4. Step 4: Simplify right side
    103,290,953.10x = 8,439,090,242,879,291
  5. Step 5: Solve for x
    x = 8,439,090,242,879,291/103,290,953.10
  6. Step 6: Final answer
    x = 81,702,123.85

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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.