Home / 151,783,544.18-209,461,361.01-82,168,925.04

Finding the Fourth Proportional to 151,783,544.18, 209,461,361.01 and 82,168,925.04

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Solution

The fourth proportional to 151,783,544.18, 209,461,361.01 and 82,168,925.04 is: 113,393,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,544.18 : 209,461,361.01 = 82,168,925.04 : x
  2. Step 2: Convert to fraction form
    151,783,544.18/209,461,361.01 = 82,168,925.04/x
  3. Step 3: Cross multiply
    151,783,544.18x = 209,461,361.01 × 82,168,925.04
  4. Step 4: Simplify right side
    151,783,544.18x = 17,211,214,871,607,070
  5. Step 5: Solve for x
    x = 17,211,214,871,607,070/151,783,544.18
  6. Step 6: Final answer
    x = 113,393,154.48

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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.