Home / 43,012,267.20-64,518,400.80-38,309,342.40

Finding the Fourth Proportional to 43,012,267.20, 64,518,400.80 and 38,309,342.40

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Solution

The fourth proportional to 43,012,267.20, 64,518,400.80 and 38,309,342.40 is: 57,464,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,267.20 : 64,518,400.80 = 38,309,342.40 : x
  2. Step 2: Convert to fraction form
    43,012,267.20/64,518,400.80 = 38,309,342.40/x
  3. Step 3: Cross multiply
    43,012,267.20x = 64,518,400.80 × 38,309,342.40
  4. Step 4: Simplify right side
    43,012,267.20x = 2,471,657,507,347,633.50
  5. Step 5: Solve for x
    x = 2,471,657,507,347,633.50/43,012,267.20
  6. Step 6: Final answer
    x = 57,464,013.60

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1.5x scale

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.