Home / 386,209,220.40-579,313,830.60-95,074,030.80

Finding the Fourth Proportional to 386,209,220.40, 579,313,830.60 and 95,074,030.80

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Solution

The fourth proportional to 386,209,220.40, 579,313,830.60 and 95,074,030.80 is: 142,611,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,209,220.40 : 579,313,830.60 = 95,074,030.80 : x
  2. Step 2: Convert to fraction form
    386,209,220.40/579,313,830.60 = 95,074,030.80/x
  3. Step 3: Cross multiply
    386,209,220.40x = 579,313,830.60 × 95,074,030.80
  4. Step 4: Simplify right side
    386,209,220.40x = 55,077,700,973,330,384
  5. Step 5: Solve for x
    x = 55,077,700,973,330,384/386,209,220.40
  6. Step 6: Final answer
    x = 142,611,046.20

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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.