Home / 117,875,818.85-161,490,656.16-113,457,743.51

Finding the Fourth Proportional to 117,875,818.85, 161,490,656.16 and 113,457,743.51

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Solution

The fourth proportional to 117,875,818.85, 161,490,656.16 and 113,457,743.51 is: 155,437,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875,818.85 : 161,490,656.16 = 113,457,743.51 : x
  2. Step 2: Convert to fraction form
    117,875,818.85/161,490,656.16 = 113,457,743.51/x
  3. Step 3: Cross multiply
    117,875,818.85x = 161,490,656.16 × 113,457,743.51
  4. Step 4: Simplify right side
    117,875,818.85x = 18,322,365,445,055,428
  5. Step 5: Solve for x
    x = 18,322,365,445,055,428/117,875,818.85
  6. Step 6: Final answer
    x = 155,437,863.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.