Home / 210,316,552.80-315,474,829.20-124,096,264.80

Finding the Fourth Proportional to 210,316,552.80, 315,474,829.20 and 124,096,264.80

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Solution

The fourth proportional to 210,316,552.80, 315,474,829.20 and 124,096,264.80 is: 186,144,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,552.80 : 315,474,829.20 = 124,096,264.80 : x
  2. Step 2: Convert to fraction form
    210,316,552.80/315,474,829.20 = 124,096,264.80/x
  3. Step 3: Cross multiply
    210,316,552.80x = 315,474,829.20 × 124,096,264.80
  4. Step 4: Simplify right side
    210,316,552.80x = 39,149,247,942,137,968
  5. Step 5: Solve for x
    x = 39,149,247,942,137,968/210,316,552.80
  6. Step 6: Final answer
    x = 186,144,397.20

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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.