Home / 314,928,270.90-472,392,406.35-84,920,606.10

Finding the Fourth Proportional to 314,928,270.90, 472,392,406.35 and 84,920,606.10

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Solution

The fourth proportional to 314,928,270.90, 472,392,406.35 and 84,920,606.10 is: 127,380,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,270.90 : 472,392,406.35 = 84,920,606.10 : x
  2. Step 2: Convert to fraction form
    314,928,270.90/472,392,406.35 = 84,920,606.10/x
  3. Step 3: Cross multiply
    314,928,270.90x = 472,392,406.35 × 84,920,606.10
  4. Step 4: Simplify right side
    314,928,270.90x = 40,115,849,464,279,488
  5. Step 5: Solve for x
    x = 40,115,849,464,279,488/314,928,270.90
  6. Step 6: Final answer
    x = 127,380,909.15

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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.