Home / 76,768,607.04-115,158,860.28-25,650,807.36

Finding the Fourth Proportional to 76,768,607.04, 115,158,860.28 and 25,650,807.36

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Solution

The fourth proportional to 76,768,607.04, 115,158,860.28 and 25,650,807.36 is: 38,478,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,768,607.04 : 115,158,860.28 = 25,650,807.36 : x
  2. Step 2: Convert to fraction form
    76,768,607.04/115,158,860.28 = 25,650,807.36/x
  3. Step 3: Cross multiply
    76,768,607.04x = 115,158,860.28 × 25,650,807.36
  4. Step 4: Simplify right side
    76,768,607.04x = 2,953,917,740,839,435.50
  5. Step 5: Solve for x
    x = 2,953,917,740,839,435.50/76,768,607.04
  6. Step 6: Final answer
    x = 38,478,199.03

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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.