Home / 78,568,066.32-108,423,963.08-45,547,459.71

Finding the Fourth Proportional to 78,568,066.32, 108,423,963.08 and 45,547,459.71

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Solution

The fourth proportional to 78,568,066.32, 108,423,963.08 and 45,547,459.71 is: 62,855,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,568,066.32 : 108,423,963.08 = 45,547,459.71 : x
  2. Step 2: Convert to fraction form
    78,568,066.32/108,423,963.08 = 45,547,459.71/x
  3. Step 3: Cross multiply
    78,568,066.32x = 108,423,963.08 × 45,547,459.71
  4. Step 4: Simplify right side
    78,568,066.32x = 4,938,436,089,984,828
  5. Step 5: Solve for x
    x = 4,938,436,089,984,828/78,568,066.32
  6. Step 6: Final answer
    x = 62,855,512.69

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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.