Home / 42,976,901.20-64,323,634.20-30,222,317.20

Finding the Fourth Proportional to 42,976,901.20, 64,323,634.20 and 30,222,317.20

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Solution

The fourth proportional to 42,976,901.20, 64,323,634.20 and 30,222,317.20 is: 45,233,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,976,901.20 : 64,323,634.20 = 30,222,317.20 : x
  2. Step 2: Convert to fraction form
    42,976,901.20/64,323,634.20 = 30,222,317.20/x
  3. Step 3: Cross multiply
    42,976,901.20x = 64,323,634.20 × 30,222,317.20
  4. Step 4: Simplify right side
    42,976,901.20x = 1,944,009,276,249,168.25
  5. Step 5: Solve for x
    x = 1,944,009,276,249,168.25/42,976,901.20
  6. Step 6: Final answer
    x = 45,233,816.82

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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.