Home / 107,958,740.80-161,938,111.20-97,545,121.60

Finding the Fourth Proportional to 107,958,740.80, 161,938,111.20 and 97,545,121.60

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Solution

The fourth proportional to 107,958,740.80, 161,938,111.20 and 97,545,121.60 is: 146,317,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958,740.80 : 161,938,111.20 = 97,545,121.60 : x
  2. Step 2: Convert to fraction form
    107,958,740.80/161,938,111.20 = 97,545,121.60/x
  3. Step 3: Cross multiply
    107,958,740.80x = 161,938,111.20 × 97,545,121.60
  4. Step 4: Simplify right side
    107,958,740.80x = 15,796,272,748,678,320
  5. Step 5: Solve for x
    x = 15,796,272,748,678,320/107,958,740.80
  6. Step 6: Final answer
    x = 146,317,682.40

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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.