Home / 76,342,908.48-114,586,106.40-39,977,396.16

Finding the Fourth Proportional to 76,342,908.48, 114,586,106.40 and 39,977,396.16

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Solution

The fourth proportional to 76,342,908.48, 114,586,106.40 and 39,977,396.16 is: 60,003,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,342,908.48 : 114,586,106.40 = 39,977,396.16 : x
  2. Step 2: Convert to fraction form
    76,342,908.48/114,586,106.40 = 39,977,396.16/x
  3. Step 3: Cross multiply
    76,342,908.48x = 114,586,106.40 × 39,977,396.16
  4. Step 4: Simplify right side
    76,342,908.48x = 4,580,854,169,984,711
  5. Step 5: Solve for x
    x = 4,580,854,169,984,711/76,342,908.48
  6. Step 6: Final answer
    x = 60,003,663.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.