Home / 386,208,530.40-579,312,795.60-95,073,340.80

Finding the Fourth Proportional to 386,208,530.40, 579,312,795.60 and 95,073,340.80

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Solution

The fourth proportional to 386,208,530.40, 579,312,795.60 and 95,073,340.80 is: 142,610,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,208,530.40 : 579,312,795.60 = 95,073,340.80 : x
  2. Step 2: Convert to fraction form
    386,208,530.40/579,312,795.60 = 95,073,340.80/x
  3. Step 3: Cross multiply
    386,208,530.40x = 579,312,795.60 × 95,073,340.80
  4. Step 4: Simplify right side
    386,208,530.40x = 55,077,202,845,879,544
  5. Step 5: Solve for x
    x = 55,077,202,845,879,544/386,208,530.40
  6. Step 6: Final answer
    x = 142,610,011.20

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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.