Home / 128,795,117.04-193,114,653.12-57,796,891.20

Finding the Fourth Proportional to 128,795,117.04, 193,114,653.12 and 57,796,891.20

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Solution

The fourth proportional to 128,795,117.04, 193,114,653.12 and 57,796,891.20 is: 86,660,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,795,117.04 : 193,114,653.12 = 57,796,891.20 : x
  2. Step 2: Convert to fraction form
    128,795,117.04/193,114,653.12 = 57,796,891.20/x
  3. Step 3: Cross multiply
    128,795,117.04x = 193,114,653.12 × 57,796,891.20
  4. Step 4: Simplify right side
    128,795,117.04x = 11,161,426,595,502,382
  5. Step 5: Solve for x
    x = 11,161,426,595,502,382/128,795,117.04
  6. Step 6: Final answer
    x = 86,660,324.18

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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.