Home / 190,356,490.62-285,535,721.25-86,653,171.98

Finding the Fourth Proportional to 190,356,490.62, 285,535,721.25 and 86,653,171.98

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Solution

The fourth proportional to 190,356,490.62, 285,535,721.25 and 86,653,171.98 is: 129,980,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356,490.62 : 285,535,721.25 = 86,653,171.98 : x
  2. Step 2: Convert to fraction form
    190,356,490.62/285,535,721.25 = 86,653,171.98/x
  3. Step 3: Cross multiply
    190,356,490.62x = 285,535,721.25 × 86,653,171.98
  4. Step 4: Simplify right side
    190,356,490.62x = 24,742,575,959,909,592
  5. Step 5: Solve for x
    x = 24,742,575,959,909,592/190,356,490.62
  6. Step 6: Final answer
    x = 129,980,206.50

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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.