Home / 145,313,729.12-200,581,539.42-86,594,807.36

Finding the Fourth Proportional to 145,313,729.12, 200,581,539.42 and 86,594,807.36

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Solution

The fourth proportional to 145,313,729.12, 200,581,539.42 and 86,594,807.36 is: 119,529,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313,729.12 : 200,581,539.42 = 86,594,807.36 : x
  2. Step 2: Convert to fraction form
    145,313,729.12/200,581,539.42 = 86,594,807.36/x
  3. Step 3: Cross multiply
    145,313,729.12x = 200,581,539.42 × 86,594,807.36
  4. Step 4: Simplify right side
    145,313,729.12x = 17,369,319,766,047,144
  5. Step 5: Solve for x
    x = 17,369,319,766,047,144/145,313,729.12
  6. Step 6: Final answer
    x = 119,529,791.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.