Home / 51,076,979.10-76,615,468.65-42,007,052.70

Finding the Fourth Proportional to 51,076,979.10, 76,615,468.65 and 42,007,052.70

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Solution

The fourth proportional to 51,076,979.10, 76,615,468.65 and 42,007,052.70 is: 63,010,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076,979.10 : 76,615,468.65 = 42,007,052.70 : x
  2. Step 2: Convert to fraction form
    51,076,979.10/76,615,468.65 = 42,007,052.70/x
  3. Step 3: Cross multiply
    51,076,979.10x = 76,615,468.65 × 42,007,052.70
  4. Step 4: Simplify right side
    51,076,979.10x = 3,218,390,029,215,748.50
  5. Step 5: Solve for x
    x = 3,218,390,029,215,748.50/51,076,979.10
  6. Step 6: Final answer
    x = 63,010,579.05

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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.