Home / 52,403,826.76-72,317,567.74-30,390,377.94

Finding the Fourth Proportional to 52,403,826.76, 72,317,567.74 and 30,390,377.94

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Solution

The fourth proportional to 52,403,826.76, 72,317,567.74 and 30,390,377.94 is: 41,938,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,826.76 : 72,317,567.74 = 30,390,377.94 : x
  2. Step 2: Convert to fraction form
    52,403,826.76/72,317,567.74 = 30,390,377.94/x
  3. Step 3: Cross multiply
    52,403,826.76x = 72,317,567.74 × 30,390,377.94
  4. Step 4: Simplify right side
    52,403,826.76x = 2,197,758,215,320,151.50
  5. Step 5: Solve for x
    x = 2,197,758,215,320,151.50/52,403,826.76
  6. Step 6: Final answer
    x = 41,938,887.89

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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.