Home / 100,063,507.65-138,089,050.60-57,653,628.34

Finding the Fourth Proportional to 100,063,507.65, 138,089,050.60 and 57,653,628.34

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Solution

The fourth proportional to 100,063,507.65, 138,089,050.60 and 57,653,628.34 is: 79,562,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,063,507.65 : 138,089,050.60 = 57,653,628.34 : x
  2. Step 2: Convert to fraction form
    100,063,507.65/138,089,050.60 = 57,653,628.34/x
  3. Step 3: Cross multiply
    100,063,507.65x = 138,089,050.60 × 57,653,628.34
  4. Step 4: Simplify right side
    100,063,507.65x = 7,961,334,801,316,943
  5. Step 5: Solve for x
    x = 7,961,334,801,316,943/100,063,507.65
  6. Step 6: Final answer
    x = 79,562,819.54

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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.