Home / 199,688,314.80-299,532,472.20-144,843,603.60

Finding the Fourth Proportional to 199,688,314.80, 299,532,472.20 and 144,843,603.60

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Solution

The fourth proportional to 199,688,314.80, 299,532,472.20 and 144,843,603.60 is: 217,265,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,688,314.80 : 299,532,472.20 = 144,843,603.60 : x
  2. Step 2: Convert to fraction form
    199,688,314.80/299,532,472.20 = 144,843,603.60/x
  3. Step 3: Cross multiply
    199,688,314.80x = 299,532,472.20 × 144,843,603.60
  4. Step 4: Simplify right side
    199,688,314.80x = 43,385,362,668,664,816
  5. Step 5: Solve for x
    x = 43,385,362,668,664,816/199,688,314.80
  6. Step 6: Final answer
    x = 217,265,405.40

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1.5x scale

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.