Home / 56,143,447.44-77,473,633.20-31,699,574.16

Finding the Fourth Proportional to 56,143,447.44, 77,473,633.20 and 31,699,574.16

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Solution

The fourth proportional to 56,143,447.44, 77,473,633.20 and 31,699,574.16 is: 43,742,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143,447.44 : 77,473,633.20 = 31,699,574.16 : x
  2. Step 2: Convert to fraction form
    56,143,447.44/77,473,633.20 = 31,699,574.16/x
  3. Step 3: Cross multiply
    56,143,447.44x = 77,473,633.20 × 31,699,574.16
  4. Step 4: Simplify right side
    56,143,447.44x = 2,455,881,181,068,038
  5. Step 5: Solve for x
    x = 2,455,881,181,068,038/56,143,447.44
  6. Step 6: Final answer
    x = 43,742,970.78

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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.