Home / 217,524,272.16-300,189,683.04-118,411,411.20

Finding the Fourth Proportional to 217,524,272.16, 300,189,683.04 and 118,411,411.20

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Solution

The fourth proportional to 217,524,272.16, 300,189,683.04 and 118,411,411.20 is: 163,411,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,524,272.16 : 300,189,683.04 = 118,411,411.20 : x
  2. Step 2: Convert to fraction form
    217,524,272.16/300,189,683.04 = 118,411,411.20/x
  3. Step 3: Cross multiply
    217,524,272.16x = 300,189,683.04 × 118,411,411.20
  4. Step 4: Simplify right side
    217,524,272.16x = 35,545,883,996,447,108
  5. Step 5: Solve for x
    x = 35,545,883,996,447,108/217,524,272.16
  6. Step 6: Final answer
    x = 163,411,115.66

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1.5x scale

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.