Home / 145,219,535.75-200,402,963.44-80,029,439.75

Finding the Fourth Proportional to 145,219,535.75, 200,402,963.44 and 80,029,439.75

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Solution

The fourth proportional to 145,219,535.75, 200,402,963.44 and 80,029,439.75 is: 110,440,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,535.75 : 200,402,963.44 = 80,029,439.75 : x
  2. Step 2: Convert to fraction form
    145,219,535.75/200,402,963.44 = 80,029,439.75/x
  3. Step 3: Cross multiply
    145,219,535.75x = 200,402,963.44 × 80,029,439.75
  4. Step 4: Simplify right side
    145,219,535.75x = 16,038,136,888,342,932
  5. Step 5: Solve for x
    x = 16,038,136,888,342,932/145,219,535.75
  6. Step 6: Final answer
    x = 110,440,629.12

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1.5x scale

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.