Home / 144,692,187.20-217,038,280.80-133,606,721.60

Finding the Fourth Proportional to 144,692,187.20, 217,038,280.80 and 133,606,721.60

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Solution

The fourth proportional to 144,692,187.20, 217,038,280.80 and 133,606,721.60 is: 200,410,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,692,187.20 : 217,038,280.80 = 133,606,721.60 : x
  2. Step 2: Convert to fraction form
    144,692,187.20/217,038,280.80 = 133,606,721.60/x
  3. Step 3: Cross multiply
    144,692,187.20x = 217,038,280.80 × 133,606,721.60
  4. Step 4: Simplify right side
    144,692,187.20x = 28,997,773,159,388,224
  5. Step 5: Solve for x
    x = 28,997,773,159,388,224/144,692,187.20
  6. Step 6: Final answer
    x = 200,410,082.40

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1.5x scale

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.