Home / 160,357,199.77-221,292,935.75-87,018,341.77

Finding the Fourth Proportional to 160,357,199.77, 221,292,935.75 and 87,018,341.77

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Solution

The fourth proportional to 160,357,199.77, 221,292,935.75 and 87,018,341.77 is: 120,085,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,199.77 : 221,292,935.75 = 87,018,341.77 : x
  2. Step 2: Convert to fraction form
    160,357,199.77/221,292,935.75 = 87,018,341.77/x
  3. Step 3: Cross multiply
    160,357,199.77x = 221,292,935.75 × 87,018,341.77
  4. Step 4: Simplify right side
    160,357,199.77x = 19,256,544,313,629,540
  5. Step 5: Solve for x
    x = 19,256,544,313,629,540/160,357,199.77
  6. Step 6: Final answer
    x = 120,085,311.68

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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.