Home / 266,643,857.08-399,925,373.37-72,570,395.62

Finding the Fourth Proportional to 266,643,857.08, 399,925,373.37 and 72,570,395.62

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Solution

The fourth proportional to 266,643,857.08, 399,925,373.37 and 72,570,395.62 is: 108,844,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,643,857.08 : 399,925,373.37 = 72,570,395.62 : x
  2. Step 2: Convert to fraction form
    266,643,857.08/399,925,373.37 = 72,570,395.62/x
  3. Step 3: Cross multiply
    266,643,857.08x = 399,925,373.37 × 72,570,395.62
  4. Step 4: Simplify right side
    266,643,857.08x = 29,022,742,563,937,116
  5. Step 5: Solve for x
    x = 29,022,742,563,937,116/266,643,857.08
  6. Step 6: Final answer
    x = 108,844,594.74

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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.