Home / 111,928,261.51-154,459,430.79-62,370,723.96

Finding the Fourth Proportional to 111,928,261.51, 154,459,430.79 and 62,370,723.96

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Solution

The fourth proportional to 111,928,261.51, 154,459,430.79 and 62,370,723.96 is: 86,070,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928,261.51 : 154,459,430.79 = 62,370,723.96 : x
  2. Step 2: Convert to fraction form
    111,928,261.51/154,459,430.79 = 62,370,723.96/x
  3. Step 3: Cross multiply
    111,928,261.51x = 154,459,430.79 × 62,370,723.96
  4. Step 4: Simplify right side
    111,928,261.51x = 9,633,746,520,821,814
  5. Step 5: Solve for x
    x = 9,633,746,520,821,814/111,928,261.51
  6. Step 6: Final answer
    x = 86,070,724.15

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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.