Home / 145,598,913.44-200,927,873.40-82,871,949.68

Finding the Fourth Proportional to 145,598,913.44, 200,927,873.40 and 82,871,949.68

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Solution

The fourth proportional to 145,598,913.44, 200,927,873.40 and 82,871,949.68 is: 114,364,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598,913.44 : 200,927,873.40 = 82,871,949.68 : x
  2. Step 2: Convert to fraction form
    145,598,913.44/200,927,873.40 = 82,871,949.68/x
  3. Step 3: Cross multiply
    145,598,913.44x = 200,927,873.40 × 82,871,949.68
  4. Step 4: Simplify right side
    145,598,913.44x = 16,651,284,613,714,212
  5. Step 5: Solve for x
    x = 16,651,284,613,714,212/145,598,913.44
  6. Step 6: Final answer
    x = 114,364,071.96

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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.