Home / 90,463,315.93-124,839,281.50-49,210,109.89

Finding the Fourth Proportional to 90,463,315.93, 124,839,281.50 and 49,210,109.89

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Solution

The fourth proportional to 90,463,315.93, 124,839,281.50 and 49,210,109.89 is: 67,909,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463,315.93 : 124,839,281.50 = 49,210,109.89 : x
  2. Step 2: Convert to fraction form
    90,463,315.93/124,839,281.50 = 49,210,109.89/x
  3. Step 3: Cross multiply
    90,463,315.93x = 124,839,281.50 × 49,210,109.89
  4. Step 4: Simplify right side
    90,463,315.93x = 6,143,354,761,203,644
  5. Step 5: Solve for x
    x = 6,143,354,761,203,644/90,463,315.93
  6. Step 6: Final answer
    x = 67,909,900.25

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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.