Home / 261,025,585-360,208,113.42-143,550,912.40

Finding the Fourth Proportional to 261,025,585, 360,208,113.42 and 143,550,912.40

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Solution

The fourth proportional to 261,025,585, 360,208,113.42 and 143,550,912.40 is: 198,096,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,025,585 : 360,208,113.42 = 143,550,912.40 : x
  2. Step 2: Convert to fraction form
    261,025,585/360,208,113.42 = 143,550,912.40/x
  3. Step 3: Cross multiply
    261,025,585x = 360,208,113.42 × 143,550,912.40
  4. Step 4: Simplify right side
    261,025,585x = 51,708,203,335,323,688
  5. Step 5: Solve for x
    x = 51,708,203,335,323,688/261,025,585
  6. Step 6: Final answer
    x = 198,096,302.84

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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.