Home / 101,043,786.94-139,434,700.80-56,988,152.62

Finding the Fourth Proportional to 101,043,786.94, 139,434,700.80 and 56,988,152.62

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Solution

The fourth proportional to 101,043,786.94, 139,434,700.80 and 56,988,152.62 is: 78,640,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,043,786.94 : 139,434,700.80 = 56,988,152.62 : x
  2. Step 2: Convert to fraction form
    101,043,786.94/139,434,700.80 = 56,988,152.62/x
  3. Step 3: Cross multiply
    101,043,786.94x = 139,434,700.80 × 56,988,152.62
  4. Step 4: Simplify right side
    101,043,786.94x = 7,946,126,009,714,436
  5. Step 5: Solve for x
    x = 7,946,126,009,714,436/101,043,786.94
  6. Step 6: Final answer
    x = 78,640,421.65

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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.