Home / 140,880,017.86-211,321,653.70-42,512,576.74

Finding the Fourth Proportional to 140,880,017.86, 211,321,653.70 and 42,512,576.74

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Solution

The fourth proportional to 140,880,017.86, 211,321,653.70 and 42,512,576.74 is: 63,769,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,017.86 : 211,321,653.70 = 42,512,576.74 : x
  2. Step 2: Convert to fraction form
    140,880,017.86/211,321,653.70 = 42,512,576.74/x
  3. Step 3: Cross multiply
    140,880,017.86x = 211,321,653.70 × 42,512,576.74
  4. Step 4: Simplify right side
    140,880,017.86x = 8,983,828,019,744,955
  5. Step 5: Solve for x
    x = 8,983,828,019,744,955/140,880,017.86
  6. Step 6: Final answer
    x = 63,769,356.05

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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.