Home / 99,641,398.55-149,462,097.83-61,178,192.15

Finding the Fourth Proportional to 99,641,398.55, 149,462,097.83 and 61,178,192.15

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Solution

The fourth proportional to 99,641,398.55, 149,462,097.83 and 61,178,192.15 is: 91,767,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,641,398.55 : 149,462,097.83 = 61,178,192.15 : x
  2. Step 2: Convert to fraction form
    99,641,398.55/149,462,097.83 = 61,178,192.15/x
  3. Step 3: Cross multiply
    99,641,398.55x = 149,462,097.83 × 61,178,192.15
  4. Step 4: Simplify right side
    99,641,398.55x = 9,143,820,939,879,946
  5. Step 5: Solve for x
    x = 9,143,820,939,879,946/99,641,398.55
  6. Step 6: Final answer
    x = 91,767,288.23

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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.