Home / 113,389,387.80-169,658,928.90-103,185,720.60

Finding the Fourth Proportional to 113,389,387.80, 169,658,928.90 and 103,185,720.60

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Solution

The fourth proportional to 113,389,387.80, 169,658,928.90 and 103,185,720.60 is: 154,391,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389,387.80 : 169,658,928.90 = 103,185,720.60 : x
  2. Step 2: Convert to fraction form
    113,389,387.80/169,658,928.90 = 103,185,720.60/x
  3. Step 3: Cross multiply
    113,389,387.80x = 169,658,928.90 × 103,185,720.60
  4. Step 4: Simplify right side
    113,389,387.80x = 17,506,378,834,770,664
  5. Step 5: Solve for x
    x = 17,506,378,834,770,664/113,389,387.80
  6. Step 6: Final answer
    x = 154,391,686.69

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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.