Home / 136,606,886.10-188,518,998.54-74,727,225.24

Finding the Fourth Proportional to 136,606,886.10, 188,518,998.54 and 74,727,225.24

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Solution

The fourth proportional to 136,606,886.10, 188,518,998.54 and 74,727,225.24 is: 103,124,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,606,886.10 : 188,518,998.54 = 74,727,225.24 : x
  2. Step 2: Convert to fraction form
    136,606,886.10/188,518,998.54 = 74,727,225.24/x
  3. Step 3: Cross multiply
    136,606,886.10x = 188,518,998.54 × 74,727,225.24
  4. Step 4: Simplify right side
    136,606,886.10x = 14,087,501,665,917,810
  5. Step 5: Solve for x
    x = 14,087,501,665,917,810/136,606,886.10
  6. Step 6: Final answer
    x = 103,124,389.03

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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.