Home / 201,275,718.10-301,807,288.95-86,130,168.10

Finding the Fourth Proportional to 201,275,718.10, 301,807,288.95 and 86,130,168.10

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Solution

The fourth proportional to 201,275,718.10, 301,807,288.95 and 86,130,168.10 is: 129,149,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,275,718.10 : 301,807,288.95 = 86,130,168.10 : x
  2. Step 2: Convert to fraction form
    201,275,718.10/301,807,288.95 = 86,130,168.10/x
  3. Step 3: Cross multiply
    201,275,718.10x = 301,807,288.95 × 86,130,168.10
  4. Step 4: Simplify right side
    201,275,718.10x = 25,994,712,531,068,768
  5. Step 5: Solve for x
    x = 25,994,712,531,068,768/201,275,718.10
  6. Step 6: Final answer
    x = 129,149,769.16

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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.