Home / 82,470,509.56-113,802,527.32-45,298,868.82

Finding the Fourth Proportional to 82,470,509.56, 113,802,527.32 and 45,298,868.82

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Solution

The fourth proportional to 82,470,509.56, 113,802,527.32 and 45,298,868.82 is: 62,508,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470,509.56 : 113,802,527.32 = 45,298,868.82 : x
  2. Step 2: Convert to fraction form
    82,470,509.56/113,802,527.32 = 45,298,868.82/x
  3. Step 3: Cross multiply
    82,470,509.56x = 113,802,527.32 × 45,298,868.82
  4. Step 4: Simplify right side
    82,470,509.56x = 5,155,125,755,657,639
  5. Step 5: Solve for x
    x = 5,155,125,755,657,639/82,470,509.56
  6. Step 6: Final answer
    x = 62,508,717.15

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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.