Home / 67,376,215.80-101,064,323.70-66,809,345.40

Finding the Fourth Proportional to 67,376,215.80, 101,064,323.70 and 66,809,345.40

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Solution

The fourth proportional to 67,376,215.80, 101,064,323.70 and 66,809,345.40 is: 100,214,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376,215.80 : 101,064,323.70 = 66,809,345.40 : x
  2. Step 2: Convert to fraction form
    67,376,215.80/101,064,323.70 = 66,809,345.40/x
  3. Step 3: Cross multiply
    67,376,215.80x = 101,064,323.70 × 66,809,345.40
  4. Step 4: Simplify right side
    67,376,215.80x = 6,752,041,309,690,706
  5. Step 5: Solve for x
    x = 6,752,041,309,690,706/67,376,215.80
  6. Step 6: Final answer
    x = 100,214,018.10

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1.5x scale

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.