Home / 56,143,447.94-77,473,634-31,699,574.66

Finding the Fourth Proportional to 56,143,447.94, 77,473,634 and 31,699,574.66

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Solution

The fourth proportional to 56,143,447.94, 77,473,634 and 31,699,574.66 is: 43,742,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143,447.94 : 77,473,634 = 31,699,574.66 : x
  2. Step 2: Convert to fraction form
    56,143,447.94/77,473,634 = 31,699,574.66/x
  3. Step 3: Cross multiply
    56,143,447.94x = 77,473,634 × 31,699,574.66
  4. Step 4: Simplify right side
    56,143,447.94x = 2,455,881,245,164,514.50
  5. Step 5: Solve for x
    x = 2,455,881,245,164,514.50/56,143,447.94
  6. Step 6: Final answer
    x = 43,742,971.54

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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.