Home / 125,581,179.47-188,544,964.75-86,627,259.95

Finding the Fourth Proportional to 125,581,179.47, 188,544,964.75 and 86,627,259.95

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Solution

The fourth proportional to 125,581,179.47, 188,544,964.75 and 86,627,259.95 is: 130,060,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,581,179.47 : 188,544,964.75 = 86,627,259.95 : x
  2. Step 2: Convert to fraction form
    125,581,179.47/188,544,964.75 = 86,627,259.95/x
  3. Step 3: Cross multiply
    125,581,179.47x = 188,544,964.75 × 86,627,259.95
  4. Step 4: Simplify right side
    125,581,179.47x = 16,333,133,672,502,542
  5. Step 5: Solve for x
    x = 16,333,133,672,502,542/125,581,179.47
  6. Step 6: Final answer
    x = 130,060,362.09

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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.