Home / 82,470,509.06-113,802,526.63-45,298,868.31

Finding the Fourth Proportional to 82,470,509.06, 113,802,526.63 and 45,298,868.31

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Solution

The fourth proportional to 82,470,509.06, 113,802,526.63 and 45,298,868.31 is: 62,508,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470,509.06 : 113,802,526.63 = 45,298,868.31 : x
  2. Step 2: Convert to fraction form
    82,470,509.06/113,802,526.63 = 45,298,868.31/x
  3. Step 3: Cross multiply
    82,470,509.06x = 113,802,526.63 × 45,298,868.31
  4. Step 4: Simplify right side
    82,470,509.06x = 5,155,125,667,343,113
  5. Step 5: Solve for x
    x = 5,155,125,667,343,113/82,470,509.06
  6. Step 6: Final answer
    x = 62,508,716.46

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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.