Home / 51,785,282.85-77,688,157.14-18,996,156.16

Finding the Fourth Proportional to 51,785,282.85, 77,688,157.14 and 18,996,156.16

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Solution

The fourth proportional to 51,785,282.85, 77,688,157.14 and 18,996,156.16 is: 28,497,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,282.85 : 77,688,157.14 = 18,996,156.16 : x
  2. Step 2: Convert to fraction form
    51,785,282.85/77,688,157.14 = 18,996,156.16/x
  3. Step 3: Cross multiply
    51,785,282.85x = 77,688,157.14 × 18,996,156.16
  4. Step 4: Simplify right side
    51,785,282.85x = 1,475,776,364,814,059
  5. Step 5: Solve for x
    x = 1,475,776,364,814,059/51,785,282.85
  6. Step 6: Final answer
    x = 28,497,987.91

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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.