Home / 186,939,868.58-280,159,152.16-145,490,795.16

Finding the Fourth Proportional to 186,939,868.58, 280,159,152.16 and 145,490,795.16

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Solution

The fourth proportional to 186,939,868.58, 280,159,152.16 and 145,490,795.16 is: 218,041,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939,868.58 : 280,159,152.16 = 145,490,795.16 : x
  2. Step 2: Convert to fraction form
    186,939,868.58/280,159,152.16 = 145,490,795.16/x
  3. Step 3: Cross multiply
    186,939,868.58x = 280,159,152.16 × 145,490,795.16
  4. Step 4: Simplify right side
    186,939,868.58x = 40,760,577,819,109,832
  5. Step 5: Solve for x
    x = 40,760,577,819,109,832/186,939,868.58
  6. Step 6: Final answer
    x = 218,041,117.33

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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.