Home / 201,474,011.80-302,211,017.70-157,636,034.20

Finding the Fourth Proportional to 201,474,011.80, 302,211,017.70 and 157,636,034.20

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Solution

The fourth proportional to 201,474,011.80, 302,211,017.70 and 157,636,034.20 is: 236,454,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,474,011.80 : 302,211,017.70 = 157,636,034.20 : x
  2. Step 2: Convert to fraction form
    201,474,011.80/302,211,017.70 = 157,636,034.20/x
  3. Step 3: Cross multiply
    201,474,011.80x = 302,211,017.70 × 157,636,034.20
  4. Step 4: Simplify right side
    201,474,011.80x = 47,639,346,321,774,000
  5. Step 5: Solve for x
    x = 47,639,346,321,774,000/201,474,011.80
  6. Step 6: Final answer
    x = 236,454,051.30

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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.