Home / 56,143,445.94-77,473,631.25-31,699,572.66

Finding the Fourth Proportional to 56,143,445.94, 77,473,631.25 and 31,699,572.66

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Solution

The fourth proportional to 56,143,445.94, 77,473,631.25 and 31,699,572.66 is: 43,742,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143,445.94 : 77,473,631.25 = 31,699,572.66 : x
  2. Step 2: Convert to fraction form
    56,143,445.94/77,473,631.25 = 31,699,572.66/x
  3. Step 3: Cross multiply
    56,143,445.94x = 77,473,631.25 × 31,699,572.66
  4. Step 4: Simplify right side
    56,143,445.94x = 2,455,881,003,043,421.50
  5. Step 5: Solve for x
    x = 2,455,881,003,043,421.50/56,143,445.94
  6. Step 6: Final answer
    x = 43,742,968.78

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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.