Home / 70,532,482.40-97,338,057.75-39,170,669.83

Finding the Fourth Proportional to 70,532,482.40, 97,338,057.75 and 39,170,669.83

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Solution

The fourth proportional to 70,532,482.40, 97,338,057.75 and 39,170,669.83 is: 54,057,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532,482.40 : 97,338,057.75 = 39,170,669.83 : x
  2. Step 2: Convert to fraction form
    70,532,482.40/97,338,057.75 = 39,170,669.83/x
  3. Step 3: Cross multiply
    70,532,482.40x = 97,338,057.75 × 39,170,669.83
  4. Step 4: Simplify right side
    70,532,482.40x = 3,812,796,921,775,377.50
  5. Step 5: Solve for x
    x = 3,812,796,921,775,377.50/70,532,482.40
  6. Step 6: Final answer
    x = 54,057,319.30

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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.