Home / 130,277,086.32-195,421,913.88-42,836,667.36

Finding the Fourth Proportional to 130,277,086.32, 195,421,913.88 and 42,836,667.36

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Solution

The fourth proportional to 130,277,086.32, 195,421,913.88 and 42,836,667.36 is: 64,257,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277,086.32 : 195,421,913.88 = 42,836,667.36 : x
  2. Step 2: Convert to fraction form
    130,277,086.32/195,421,913.88 = 42,836,667.36/x
  3. Step 3: Cross multiply
    130,277,086.32x = 195,421,913.88 × 42,836,667.36
  4. Step 4: Simplify right side
    130,277,086.32x = 8,371,223,519,732,127
  5. Step 5: Solve for x
    x = 8,371,223,519,732,127/130,277,086.32
  6. Step 6: Final answer
    x = 64,257,067.43

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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.