Home / 99,117,807.88-136,786,412.82-67,821,459.88

Finding the Fourth Proportional to 99,117,807.88, 136,786,412.82 and 67,821,459.88

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Solution

The fourth proportional to 99,117,807.88, 136,786,412.82 and 67,821,459.88 is: 93,596,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,117,807.88 : 136,786,412.82 = 67,821,459.88 : x
  2. Step 2: Convert to fraction form
    99,117,807.88/136,786,412.82 = 67,821,459.88/x
  3. Step 3: Cross multiply
    99,117,807.88x = 136,786,412.82 × 67,821,459.88
  4. Step 4: Simplify right side
    99,117,807.88x = 9,277,054,209,200,746
  5. Step 5: Solve for x
    x = 9,277,054,209,200,746/99,117,807.88
  6. Step 6: Final answer
    x = 93,596,240.75

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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.