Home / 124,521,898.40-186,782,847.60-43,742,866.40

Finding the Fourth Proportional to 124,521,898.40, 186,782,847.60 and 43,742,866.40

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Solution

The fourth proportional to 124,521,898.40, 186,782,847.60 and 43,742,866.40 is: 65,614,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521,898.40 : 186,782,847.60 = 43,742,866.40 : x
  2. Step 2: Convert to fraction form
    124,521,898.40/186,782,847.60 = 43,742,866.40/x
  3. Step 3: Cross multiply
    124,521,898.40x = 186,782,847.60 × 43,742,866.40
  4. Step 4: Simplify right side
    124,521,898.40x = 8,170,417,148,378,360
  5. Step 5: Solve for x
    x = 8,170,417,148,378,360/124,521,898.40
  6. Step 6: Final answer
    x = 65,614,299.60

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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.