Home / 149,538,708.40-224,539,009.80-81,514,260.40

Finding the Fourth Proportional to 149,538,708.40, 224,539,009.80 and 81,514,260.40

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Solution

The fourth proportional to 149,538,708.40, 224,539,009.80 and 81,514,260.40 is: 122,397,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538,708.40 : 224,539,009.80 = 81,514,260.40 : x
  2. Step 2: Convert to fraction form
    149,538,708.40/224,539,009.80 = 81,514,260.40/x
  3. Step 3: Cross multiply
    149,538,708.40x = 224,539,009.80 × 81,514,260.40
  4. Step 4: Simplify right side
    149,538,708.40x = 18,303,131,314,795,356
  5. Step 5: Solve for x
    x = 18,303,131,314,795,356/149,538,708.40
  6. Step 6: Final answer
    x = 122,397,281.02

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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.