Home / 190,356,472.95-285,535,694.75-86,653,154.36

Finding the Fourth Proportional to 190,356,472.95, 285,535,694.75 and 86,653,154.36

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Solution

The fourth proportional to 190,356,472.95, 285,535,694.75 and 86,653,154.36 is: 129,980,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356,472.95 : 285,535,694.75 = 86,653,154.36 : x
  2. Step 2: Convert to fraction form
    190,356,472.95/285,535,694.75 = 86,653,154.36/x
  3. Step 3: Cross multiply
    190,356,472.95x = 285,535,694.75 × 86,653,154.36
  4. Step 4: Simplify right side
    190,356,472.95x = 24,742,568,630,600,648
  5. Step 5: Solve for x
    x = 24,742,568,630,600,648/190,356,472.95
  6. Step 6: Final answer
    x = 129,980,180.07

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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.