Home / 243,577,980.10-365,366,970.15-191,921,914.90

Finding the Fourth Proportional to 243,577,980.10, 365,366,970.15 and 191,921,914.90

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Solution

The fourth proportional to 243,577,980.10, 365,366,970.15 and 191,921,914.90 is: 287,882,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577,980.10 : 365,366,970.15 = 191,921,914.90 : x
  2. Step 2: Convert to fraction form
    243,577,980.10/365,366,970.15 = 191,921,914.90/x
  3. Step 3: Cross multiply
    243,577,980.10x = 365,366,970.15 × 191,921,914.90
  4. Step 4: Simplify right side
    243,577,980.10x = 70,121,928,552,399,136
  5. Step 5: Solve for x
    x = 70,121,928,552,399,136/243,577,980.10
  6. Step 6: Final answer
    x = 287,882,872.35

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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.