Home / 113,389,394.80-169,658,939.40-103,185,727.60

Finding the Fourth Proportional to 113,389,394.80, 169,658,939.40 and 103,185,727.60

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Solution

The fourth proportional to 113,389,394.80, 169,658,939.40 and 103,185,727.60 is: 154,391,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389,394.80 : 169,658,939.40 = 103,185,727.60 : x
  2. Step 2: Convert to fraction form
    113,389,394.80/169,658,939.40 = 103,185,727.60/x
  3. Step 3: Cross multiply
    113,389,394.80x = 169,658,939.40 × 103,185,727.60
  4. Step 4: Simplify right side
    113,389,394.80x = 17,506,381,105,833,308
  5. Step 5: Solve for x
    x = 17,506,381,105,833,308/113,389,394.80
  6. Step 6: Final answer
    x = 154,391,697.18

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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.