Home / 145,208,280.76-217,811,632.02-83,757,605.56

Finding the Fourth Proportional to 145,208,280.76, 217,811,632.02 and 83,757,605.56

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Solution

The fourth proportional to 145,208,280.76, 217,811,632.02 and 83,757,605.56 is: 125,635,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,208,280.76 : 217,811,632.02 = 83,757,605.56 : x
  2. Step 2: Convert to fraction form
    145,208,280.76/217,811,632.02 = 83,757,605.56/x
  3. Step 3: Cross multiply
    145,208,280.76x = 217,811,632.02 × 83,757,605.56
  4. Step 4: Simplify right side
    145,208,280.76x = 18,243,380,761,111,028
  5. Step 5: Solve for x
    x = 18,243,380,761,111,028/145,208,280.76
  6. Step 6: Final answer
    x = 125,635,953.17

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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.