Home / 149,571,287.64-224,356,721.67-83,139,945.21

Finding the Fourth Proportional to 149,571,287.64, 224,356,721.67 and 83,139,945.21

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Solution

The fourth proportional to 149,571,287.64, 224,356,721.67 and 83,139,945.21 is: 124,709,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,571,287.64 : 224,356,721.67 = 83,139,945.21 : x
  2. Step 2: Convert to fraction form
    149,571,287.64/224,356,721.67 = 83,139,945.21/x
  3. Step 3: Cross multiply
    149,571,287.64x = 224,356,721.67 × 83,139,945.21
  4. Step 4: Simplify right side
    149,571,287.64x = 18,653,005,547,139,016
  5. Step 5: Solve for x
    x = 18,653,005,547,139,016/149,571,287.64
  6. Step 6: Final answer
    x = 124,709,801.20

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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.