Home / 55,160,987.28-76,120,602-30,042,527.52

Finding the Fourth Proportional to 55,160,987.28, 76,120,602 and 30,042,527.52

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Solution

The fourth proportional to 55,160,987.28, 76,120,602 and 30,042,527.52 is: 41,457,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160,987.28 : 76,120,602 = 30,042,527.52 : x
  2. Step 2: Convert to fraction form
    55,160,987.28/76,120,602 = 30,042,527.52/x
  3. Step 3: Cross multiply
    55,160,987.28x = 76,120,602 × 30,042,527.52
  4. Step 4: Simplify right side
    55,160,987.28x = 2,286,855,280,423,967
  5. Step 5: Solve for x
    x = 2,286,855,280,423,967/55,160,987.28
  6. Step 6: Final answer
    x = 41,457,838.11

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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.