Home / 42,774,648.80-64,161,973.20-41,262,994.40

Finding the Fourth Proportional to 42,774,648.80, 64,161,973.20 and 41,262,994.40

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Solution

The fourth proportional to 42,774,648.80, 64,161,973.20 and 41,262,994.40 is: 61,894,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,648.80 : 64,161,973.20 = 41,262,994.40 : x
  2. Step 2: Convert to fraction form
    42,774,648.80/64,161,973.20 = 41,262,994.40/x
  3. Step 3: Cross multiply
    42,774,648.80x = 64,161,973.20 × 41,262,994.40
  4. Step 4: Simplify right side
    42,774,648.80x = 2,647,515,140,844,550
  5. Step 5: Solve for x
    x = 2,647,515,140,844,550/42,774,648.80
  6. Step 6: Final answer
    x = 61,894,491.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.