Home / 189,161,918.02-260,811,528.86-155,553,949.01

Finding the Fourth Proportional to 189,161,918.02, 260,811,528.86 and 155,553,949.01

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Solution

The fourth proportional to 189,161,918.02, 260,811,528.86 and 155,553,949.01 is: 214,473,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,161,918.02 : 260,811,528.86 = 155,553,949.01 : x
  2. Step 2: Convert to fraction form
    189,161,918.02/260,811,528.86 = 155,553,949.01/x
  3. Step 3: Cross multiply
    189,161,918.02x = 260,811,528.86 × 155,553,949.01
  4. Step 4: Simplify right side
    189,161,918.02x = 40,570,263,260,204,528
  5. Step 5: Solve for x
    x = 40,570,263,260,204,528/189,161,918.02
  6. Step 6: Final answer
    x = 214,473,735.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.