Home / 456,949,684.05-685,391,000.90-145,973,802.95

Finding the Fourth Proportional to 456,949,684.05, 685,391,000.90 and 145,973,802.95

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Solution

The fourth proportional to 456,949,684.05, 685,391,000.90 and 145,973,802.95 is: 218,949,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949,684.05 : 685,391,000.90 = 145,973,802.95 : x
  2. Step 2: Convert to fraction form
    456,949,684.05/685,391,000.90 = 145,973,802.95/x
  3. Step 3: Cross multiply
    456,949,684.05x = 685,391,000.90 × 145,973,802.95
  4. Step 4: Simplify right side
    456,949,684.05x = 100,049,130,911,345,152
  5. Step 5: Solve for x
    x = 100,049,130,911,345,152/456,949,684.05
  6. Step 6: Final answer
    x = 218,949,994.72

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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.