Home / 74,727,389.47-103,111,026.17-43,358,247.15

Finding the Fourth Proportional to 74,727,389.47, 103,111,026.17 and 43,358,247.15

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Solution

The fourth proportional to 74,727,389.47, 103,111,026.17 and 43,358,247.15 is: 59,826,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,389.47 : 103,111,026.17 = 43,358,247.15 : x
  2. Step 2: Convert to fraction form
    74,727,389.47/103,111,026.17 = 43,358,247.15/x
  3. Step 3: Cross multiply
    74,727,389.47x = 103,111,026.17 × 43,358,247.15
  4. Step 4: Simplify right side
    74,727,389.47x = 4,470,713,356,324,976.50
  5. Step 5: Solve for x
    x = 4,470,713,356,324,976.50/74,727,389.47
  6. Step 6: Final answer
    x = 59,826,970.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.