Home / 201,475,979.80-302,139,320.10-65,165,810.20

Finding the Fourth Proportional to 201,475,979.80, 302,139,320.10 and 65,165,810.20

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Solution

The fourth proportional to 201,475,979.80, 302,139,320.10 and 65,165,810.20 is: 97,724,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,475,979.80 : 302,139,320.10 = 65,165,810.20 : x
  2. Step 2: Convert to fraction form
    201,475,979.80/302,139,320.10 = 65,165,810.20/x
  3. Step 3: Cross multiply
    201,475,979.80x = 302,139,320.10 × 65,165,810.20
  4. Step 4: Simplify right side
    201,475,979.80x = 19,689,153,587,593,648
  5. Step 5: Solve for x
    x = 19,689,153,587,593,648/201,475,979.80
  6. Step 6: Final answer
    x = 97,724,570.48

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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.