Home / 215,510,080.95-323,307,111.83-86,095,668.15

Finding the Fourth Proportional to 215,510,080.95, 323,307,111.83 and 86,095,668.15

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Solution

The fourth proportional to 215,510,080.95, 323,307,111.83 and 86,095,668.15 is: 129,160,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,510,080.95 : 323,307,111.83 = 86,095,668.15 : x
  2. Step 2: Convert to fraction form
    215,510,080.95/323,307,111.83 = 86,095,668.15/x
  3. Step 3: Cross multiply
    215,510,080.95x = 323,307,111.83 × 86,095,668.15
  4. Step 4: Simplify right side
    215,510,080.95x = 27,835,341,810,220,140
  5. Step 5: Solve for x
    x = 27,835,341,810,220,140/215,510,080.95
  6. Step 6: Final answer
    x = 129,160,277.27

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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.