Home / 117,875,818.10-161,490,655.13-113,457,742.76

Finding the Fourth Proportional to 117,875,818.10, 161,490,655.13 and 113,457,742.76

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Solution

The fourth proportional to 117,875,818.10, 161,490,655.13 and 113,457,742.76 is: 155,437,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875,818.10 : 161,490,655.13 = 113,457,742.76 : x
  2. Step 2: Convert to fraction form
    117,875,818.10/161,490,655.13 = 113,457,742.76/x
  3. Step 3: Cross multiply
    117,875,818.10x = 161,490,655.13 × 113,457,742.76
  4. Step 4: Simplify right side
    117,875,818.10x = 18,322,365,206,508,672
  5. Step 5: Solve for x
    x = 18,322,365,206,508,672/117,875,818.10
  6. Step 6: Final answer
    x = 155,437,862.51

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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.