Home / 267,147,417.70-399,870,820.95-190,619,913.70

Finding the Fourth Proportional to 267,147,417.70, 399,870,820.95 and 190,619,913.70

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Solution

The fourth proportional to 267,147,417.70, 399,870,820.95 and 190,619,913.70 is: 285,323,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,147,417.70 : 399,870,820.95 = 190,619,913.70 : x
  2. Step 2: Convert to fraction form
    267,147,417.70/399,870,820.95 = 190,619,913.70/x
  3. Step 3: Cross multiply
    267,147,417.70x = 399,870,820.95 × 190,619,913.70
  4. Step 4: Simplify right side
    267,147,417.70x = 76,223,341,380,637,152
  5. Step 5: Solve for x
    x = 76,223,341,380,637,152/267,147,417.70
  6. Step 6: Final answer
    x = 285,323,144.94

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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.