Home / 145,787,935.50-201,191,550.03-80,602,038.54

Finding the Fourth Proportional to 145,787,935.50, 201,191,550.03 and 80,602,038.54

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Solution

The fourth proportional to 145,787,935.50, 201,191,550.03 and 80,602,038.54 is: 111,233,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,787,935.50 : 201,191,550.03 = 80,602,038.54 : x
  2. Step 2: Convert to fraction form
    145,787,935.50/201,191,550.03 = 80,602,038.54/x
  3. Step 3: Cross multiply
    145,787,935.50x = 201,191,550.03 × 80,602,038.54
  4. Step 4: Simplify right side
    145,787,935.50x = 16,216,449,069,440,400
  5. Step 5: Solve for x
    x = 16,216,449,069,440,400/145,787,935.50
  6. Step 6: Final answer
    x = 111,233,134.72

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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.