Home / 205,698,120.16-283,871,590.08-112,881,949.60

Finding the Fourth Proportional to 205,698,120.16, 283,871,590.08 and 112,881,949.60

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Solution

The fourth proportional to 205,698,120.16, 283,871,590.08 and 112,881,949.60 is: 155,781,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,698,120.16 : 283,871,590.08 = 112,881,949.60 : x
  2. Step 2: Convert to fraction form
    205,698,120.16/283,871,590.08 = 112,881,949.60/x
  3. Step 3: Cross multiply
    205,698,120.16x = 283,871,590.08 × 112,881,949.60
  4. Step 4: Simplify right side
    205,698,120.16x = 32,043,978,524,282,416
  5. Step 5: Solve for x
    x = 32,043,978,524,282,416/205,698,120.16
  6. Step 6: Final answer
    x = 155,781,581.76

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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.