Home / 186,940,054.27-280,159,430.92-145,490,980.05

Finding the Fourth Proportional to 186,940,054.27, 280,159,430.92 and 145,490,980.05

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Solution

The fourth proportional to 186,940,054.27, 280,159,430.92 and 145,490,980.05 is: 218,041,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,054.27 : 280,159,430.92 = 145,490,980.05 : x
  2. Step 2: Convert to fraction form
    186,940,054.27/280,159,430.92 = 145,490,980.05/x
  3. Step 3: Cross multiply
    186,940,054.27x = 280,159,430.92 × 145,490,980.05
  4. Step 4: Simplify right side
    186,940,054.27x = 40,760,670,174,437,352
  5. Step 5: Solve for x
    x = 40,760,670,174,437,352/186,940,054.27
  6. Step 6: Final answer
    x = 218,041,394.78

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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.