Home / 261,708,415.18-361,151,392.23-142,634,767.15

Finding the Fourth Proportional to 261,708,415.18, 361,151,392.23 and 142,634,767.15

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Solution

The fourth proportional to 261,708,415.18, 361,151,392.23 and 142,634,767.15 is: 196,832,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,708,415.18 : 361,151,392.23 = 142,634,767.15 : x
  2. Step 2: Convert to fraction form
    261,708,415.18/361,151,392.23 = 142,634,767.15/x
  3. Step 3: Cross multiply
    261,708,415.18x = 361,151,392.23 × 142,634,767.15
  4. Step 4: Simplify right side
    261,708,415.18x = 51,512,744,736,624,376
  5. Step 5: Solve for x
    x = 51,512,744,736,624,376/261,708,415.18
  6. Step 6: Final answer
    x = 196,832,588.29

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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.