Home / 63,119,145.80-87,089,620.74-38,338,642.46

Finding the Fourth Proportional to 63,119,145.80, 87,089,620.74 and 38,338,642.46

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Solution

The fourth proportional to 63,119,145.80, 87,089,620.74 and 38,338,642.46 is: 52,898,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,119,145.80 : 87,089,620.74 = 38,338,642.46 : x
  2. Step 2: Convert to fraction form
    63,119,145.80/87,089,620.74 = 38,338,642.46/x
  3. Step 3: Cross multiply
    63,119,145.80x = 87,089,620.74 × 38,338,642.46
  4. Step 4: Simplify right side
    63,119,145.80x = 3,338,897,831,092,412
  5. Step 5: Solve for x
    x = 3,338,897,831,092,412/63,119,145.80
  6. Step 6: Final answer
    x = 52,898,336.77

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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.