Home / 145,547,540.72-217,658,190.66-108,685,316.72

Finding the Fourth Proportional to 145,547,540.72, 217,658,190.66 and 108,685,316.72

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Solution

The fourth proportional to 145,547,540.72, 217,658,190.66 and 108,685,316.72 is: 162,532,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,540.72 : 217,658,190.66 = 108,685,316.72 : x
  2. Step 2: Convert to fraction form
    145,547,540.72/217,658,190.66 = 108,685,316.72/x
  3. Step 3: Cross multiply
    145,547,540.72x = 217,658,190.66 × 108,685,316.72
  4. Step 4: Simplify right side
    145,547,540.72x = 23,656,249,388,584,244
  5. Step 5: Solve for x
    x = 23,656,249,388,584,244/145,547,540.72
  6. Step 6: Final answer
    x = 162,532,800.43

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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.