Home / 145,175,048.40-217,762,572.60-54,286,827.60

Finding the Fourth Proportional to 145,175,048.40, 217,762,572.60 and 54,286,827.60

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Solution

The fourth proportional to 145,175,048.40, 217,762,572.60 and 54,286,827.60 is: 81,430,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175,048.40 : 217,762,572.60 = 54,286,827.60 : x
  2. Step 2: Convert to fraction form
    145,175,048.40/217,762,572.60 = 54,286,827.60/x
  3. Step 3: Cross multiply
    145,175,048.40x = 217,762,572.60 × 54,286,827.60
  4. Step 4: Simplify right side
    145,175,048.40x = 11,821,639,236,468,684
  5. Step 5: Solve for x
    x = 11,821,639,236,468,684/145,175,048.40
  6. Step 6: Final answer
    x = 81,430,241.40

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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.