Home / 82,470,538.12-113,802,566.62-45,298,897.32

Finding the Fourth Proportional to 82,470,538.12, 113,802,566.62 and 45,298,897.32

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Solution

The fourth proportional to 82,470,538.12, 113,802,566.62 and 45,298,897.32 is: 62,508,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470,538.12 : 113,802,566.62 = 45,298,897.32 : x
  2. Step 2: Convert to fraction form
    82,470,538.12/113,802,566.62 = 45,298,897.32/x
  3. Step 3: Cross multiply
    82,470,538.12x = 113,802,566.62 × 45,298,897.32
  4. Step 4: Simplify right side
    82,470,538.12x = 5,155,130,780,071,840
  5. Step 5: Solve for x
    x = 5,155,130,780,071,840/82,470,538.12
  6. Step 6: Final answer
    x = 62,508,756.43

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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.