Home / 56,498,947.20-84,748,420.80-45,161,539.20

Finding the Fourth Proportional to 56,498,947.20, 84,748,420.80 and 45,161,539.20

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Solution

The fourth proportional to 56,498,947.20, 84,748,420.80 and 45,161,539.20 is: 67,742,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,498,947.20 : 84,748,420.80 = 45,161,539.20 : x
  2. Step 2: Convert to fraction form
    56,498,947.20/84,748,420.80 = 45,161,539.20/x
  3. Step 3: Cross multiply
    56,498,947.20x = 84,748,420.80 × 45,161,539.20
  4. Step 4: Simplify right side
    56,498,947.20x = 3,827,369,128,097,295.50
  5. Step 5: Solve for x
    x = 3,827,369,128,097,295.50/56,498,947.20
  6. Step 6: Final answer
    x = 67,742,308.80

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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.