Home / 73,161,713.51-100,953,885.18-40,113,266.10

Finding the Fourth Proportional to 73,161,713.51, 100,953,885.18 and 40,113,266.10

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Solution

The fourth proportional to 73,161,713.51, 100,953,885.18 and 40,113,266.10 is: 55,351,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,161,713.51 : 100,953,885.18 = 40,113,266.10 : x
  2. Step 2: Convert to fraction form
    73,161,713.51/100,953,885.18 = 40,113,266.10/x
  3. Step 3: Cross multiply
    73,161,713.51x = 100,953,885.18 × 40,113,266.10
  4. Step 4: Simplify right side
    73,161,713.51x = 4,049,590,060,054,187
  5. Step 5: Solve for x
    x = 4,049,590,060,054,187/73,161,713.51
  6. Step 6: Final answer
    x = 55,351,219.45

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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.