Home / 188,592,856.07-282,889,362.57-84,840,875.21

Finding the Fourth Proportional to 188,592,856.07, 282,889,362.57 and 84,840,875.21

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Solution

The fourth proportional to 188,592,856.07, 282,889,362.57 and 84,840,875.21 is: 127,261,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,592,856.07 : 282,889,362.57 = 84,840,875.21 : x
  2. Step 2: Convert to fraction form
    188,592,856.07/282,889,362.57 = 84,840,875.21/x
  3. Step 3: Cross multiply
    188,592,856.07x = 282,889,362.57 × 84,840,875.21
  4. Step 4: Simplify right side
    188,592,856.07x = 24,000,581,108,426,040
  5. Step 5: Solve for x
    x = 24,000,581,108,426,040/188,592,856.07
  6. Step 6: Final answer
    x = 127,261,348.12

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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.