Home / 201,584,998.40-302,433,484.80-86,624,614.40

Finding the Fourth Proportional to 201,584,998.40, 302,433,484.80 and 86,624,614.40

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Solution

The fourth proportional to 201,584,998.40, 302,433,484.80 and 86,624,614.40 is: 129,960,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584,998.40 : 302,433,484.80 = 86,624,614.40 : x
  2. Step 2: Convert to fraction form
    201,584,998.40/302,433,484.80 = 86,624,614.40/x
  3. Step 3: Cross multiply
    201,584,998.40x = 302,433,484.80 × 86,624,614.40
  4. Step 4: Simplify right side
    201,584,998.40x = 26,198,184,002,448,264
  5. Step 5: Solve for x
    x = 26,198,184,002,448,264/201,584,998.40
  6. Step 6: Final answer
    x = 129,960,980.28

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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.