Home / 201,210,002.58-301,507,001.56-135,387,368.67

Finding the Fourth Proportional to 201,210,002.58, 301,507,001.56 and 135,387,368.67

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Solution

The fourth proportional to 201,210,002.58, 301,507,001.56 and 135,387,368.67 is: 202,873,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,210,002.58 : 301,507,001.56 = 135,387,368.67 : x
  2. Step 2: Convert to fraction form
    201,210,002.58/301,507,001.56 = 135,387,368.67/x
  3. Step 3: Cross multiply
    201,210,002.58x = 301,507,001.56 × 135,387,368.67
  4. Step 4: Simplify right side
    201,210,002.58x = 40,820,239,576,789,984
  5. Step 5: Solve for x
    x = 40,820,239,576,789,984/201,210,002.58
  6. Step 6: Final answer
    x = 202,873,808.72

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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.