Home / 52,403,854.86-72,317,606.40-30,390,406.02

Finding the Fourth Proportional to 52,403,854.86, 72,317,606.40 and 30,390,406.02

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Solution

The fourth proportional to 52,403,854.86, 72,317,606.40 and 30,390,406.02 is: 41,938,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,854.86 : 72,317,606.40 = 30,390,406.02 : x
  2. Step 2: Convert to fraction form
    52,403,854.86/72,317,606.40 = 30,390,406.02/x
  3. Step 3: Cross multiply
    52,403,854.86x = 72,317,606.40 × 30,390,406.02
  4. Step 4: Simplify right side
    52,403,854.86x = 2,197,761,420,890,550.75
  5. Step 5: Solve for x
    x = 2,197,761,420,890,550.75/52,403,854.86
  6. Step 6: Final answer
    x = 41,938,926.57

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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.