Home / 242,979,208.80-364,484,974.77-85,393,164.18

Finding the Fourth Proportional to 242,979,208.80, 364,484,974.77 and 85,393,164.18

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Solution

The fourth proportional to 242,979,208.80, 364,484,974.77 and 85,393,164.18 is: 128,095,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,979,208.80 : 364,484,974.77 = 85,393,164.18 : x
  2. Step 2: Convert to fraction form
    242,979,208.80/364,484,974.77 = 85,393,164.18/x
  3. Step 3: Cross multiply
    242,979,208.80x = 364,484,974.77 × 85,393,164.18
  4. Step 4: Simplify right side
    242,979,208.80x = 31,124,525,291,677,768
  5. Step 5: Solve for x
    x = 31,124,525,291,677,768/242,979,208.80
  6. Step 6: Final answer
    x = 128,095,426.13

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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.