Home / 215,604,139.70-323,406,209.55-164,585,803.70

Finding the Fourth Proportional to 215,604,139.70, 323,406,209.55 and 164,585,803.70

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Solution

The fourth proportional to 215,604,139.70, 323,406,209.55 and 164,585,803.70 is: 246,878,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,604,139.70 : 323,406,209.55 = 164,585,803.70 : x
  2. Step 2: Convert to fraction form
    215,604,139.70/323,406,209.55 = 164,585,803.70/x
  3. Step 3: Cross multiply
    215,604,139.70x = 323,406,209.55 × 164,585,803.70
  4. Step 4: Simplify right side
    215,604,139.70x = 53,228,070,920,357,360
  5. Step 5: Solve for x
    x = 53,228,070,920,357,360/215,604,139.70
  6. Step 6: Final answer
    x = 246,878,705.55

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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.