Home / 113,092,939.40-169,639,409.10-104,778,840.20

Finding the Fourth Proportional to 113,092,939.40, 169,639,409.10 and 104,778,840.20

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Solution

The fourth proportional to 113,092,939.40, 169,639,409.10 and 104,778,840.20 is: 157,168,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,092,939.40 : 169,639,409.10 = 104,778,840.20 : x
  2. Step 2: Convert to fraction form
    113,092,939.40/169,639,409.10 = 104,778,840.20/x
  3. Step 3: Cross multiply
    113,092,939.40x = 169,639,409.10 × 104,778,840.20
  4. Step 4: Simplify right side
    113,092,939.40x = 17,774,620,537,711,326
  5. Step 5: Solve for x
    x = 17,774,620,537,711,326/113,092,939.40
  6. Step 6: Final answer
    x = 157,168,260.30

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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.