Home / 74,547,851.75-102,874,807.18-43,613,261.63

Finding the Fourth Proportional to 74,547,851.75, 102,874,807.18 and 43,613,261.63

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Solution

The fourth proportional to 74,547,851.75, 102,874,807.18 and 43,613,261.63 is: 60,185,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,547,851.75 : 102,874,807.18 = 43,613,261.63 : x
  2. Step 2: Convert to fraction form
    74,547,851.75/102,874,807.18 = 43,613,261.63/x
  3. Step 3: Cross multiply
    74,547,851.75x = 102,874,807.18 × 43,613,261.63
  4. Step 4: Simplify right side
    74,547,851.75x = 4,486,705,880,677,143
  5. Step 5: Solve for x
    x = 4,486,705,880,677,143/74,547,851.75
  6. Step 6: Final answer
    x = 60,185,582.49

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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.