Home / 171,426,649.55-236,564,752.70-100,866,829.86

Finding the Fourth Proportional to 171,426,649.55, 236,564,752.70 and 100,866,829.86

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Solution

The fourth proportional to 171,426,649.55, 236,564,752.70 and 100,866,829.86 is: 139,193,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,649.55 : 236,564,752.70 = 100,866,829.86 : x
  2. Step 2: Convert to fraction form
    171,426,649.55/236,564,752.70 = 100,866,829.86/x
  3. Step 3: Cross multiply
    171,426,649.55x = 236,564,752.70 × 100,866,829.86
  4. Step 4: Simplify right side
    171,426,649.55x = 23,861,536,661,716,040
  5. Step 5: Solve for x
    x = 23,861,536,661,716,040/171,426,649.55
  6. Step 6: Final answer
    x = 139,193,857.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.