Home / 103,878,399.00-143,352,330.13-56,839,891.79

Finding the Fourth Proportional to 103,878,399.00, 143,352,330.13 and 56,839,891.79

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Solution

The fourth proportional to 103,878,399.00, 143,352,330.13 and 56,839,891.79 is: 78,439,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,878,399.00 : 143,352,330.13 = 56,839,891.79 : x
  2. Step 2: Convert to fraction form
    103,878,399.00/143,352,330.13 = 56,839,891.79/x
  3. Step 3: Cross multiply
    103,878,399.00x = 143,352,330.13 × 56,839,891.79
  4. Step 4: Simplify right side
    103,878,399.00x = 8,148,130,932,703,266
  5. Step 5: Solve for x
    x = 8,148,130,932,703,266/103,878,399.00
  6. Step 6: Final answer
    x = 78,439,127.01

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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.