Home / 210,316,586.80-315,474,880.20-124,096,298.80

Finding the Fourth Proportional to 210,316,586.80, 315,474,880.20 and 124,096,298.80

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Solution

The fourth proportional to 210,316,586.80, 315,474,880.20 and 124,096,298.80 is: 186,144,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,586.80 : 315,474,880.20 = 124,096,298.80 : x
  2. Step 2: Convert to fraction form
    210,316,586.80/315,474,880.20 = 124,096,298.80/x
  3. Step 3: Cross multiply
    210,316,586.80x = 315,474,880.20 × 124,096,298.80
  4. Step 4: Simplify right side
    210,316,586.80x = 39,149,264,997,193,400
  5. Step 5: Solve for x
    x = 39,149,264,997,193,400/210,316,586.80
  6. Step 6: Final answer
    x = 186,144,448.20

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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.