Home / 42,976,886.70-64,323,612.45-30,222,302.70

Finding the Fourth Proportional to 42,976,886.70, 64,323,612.45 and 30,222,302.70

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Solution

The fourth proportional to 42,976,886.70, 64,323,612.45 and 30,222,302.70 is: 45,233,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,976,886.70 : 64,323,612.45 = 30,222,302.70 : x
  2. Step 2: Convert to fraction form
    42,976,886.70/64,323,612.45 = 30,222,302.70/x
  3. Step 3: Cross multiply
    42,976,886.70x = 64,323,612.45 × 30,222,302.70
  4. Step 4: Simplify right side
    42,976,886.70x = 1,944,007,686,221,388.75
  5. Step 5: Solve for x
    x = 1,944,007,686,221,388.75/42,976,886.70
  6. Step 6: Final answer
    x = 45,233,795.08

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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.