Home / 314,928,011.70-472,392,017.55-142,741,127.70

Finding the Fourth Proportional to 314,928,011.70, 472,392,017.55 and 142,741,127.70

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Solution

The fourth proportional to 314,928,011.70, 472,392,017.55 and 142,741,127.70 is: 214,111,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,011.70 : 472,392,017.55 = 142,741,127.70 : x
  2. Step 2: Convert to fraction form
    314,928,011.70/472,392,017.55 = 142,741,127.70/x
  3. Step 3: Cross multiply
    314,928,011.70x = 472,392,017.55 × 142,741,127.70
  4. Step 4: Simplify right side
    314,928,011.70x = 67,429,769,301,565,184
  5. Step 5: Solve for x
    x = 67,429,769,301,565,184/314,928,011.70
  6. Step 6: Final answer
    x = 214,111,691.55

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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.