Home / 145,201,430.40-217,802,145.60-131,764,502.40

Finding the Fourth Proportional to 145,201,430.40, 217,802,145.60 and 131,764,502.40

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Solution

The fourth proportional to 145,201,430.40, 217,802,145.60 and 131,764,502.40 is: 197,646,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,201,430.40 : 217,802,145.60 = 131,764,502.40 : x
  2. Step 2: Convert to fraction form
    145,201,430.40/217,802,145.60 = 131,764,502.40/x
  3. Step 3: Cross multiply
    145,201,430.40x = 217,802,145.60 × 131,764,502.40
  4. Step 4: Simplify right side
    145,201,430.40x = 28,698,591,336,636,348
  5. Step 5: Solve for x
    x = 28,698,591,336,636,348/145,201,430.40
  6. Step 6: Final answer
    x = 197,646,753.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.