Home / 210,316,590.80-315,474,886.20-124,096,302.80

Finding the Fourth Proportional to 210,316,590.80, 315,474,886.20 and 124,096,302.80

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Solution

The fourth proportional to 210,316,590.80, 315,474,886.20 and 124,096,302.80 is: 186,144,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,590.80 : 315,474,886.20 = 124,096,302.80 : x
  2. Step 2: Convert to fraction form
    210,316,590.80/315,474,886.20 = 124,096,302.80/x
  3. Step 3: Cross multiply
    210,316,590.80x = 315,474,886.20 × 124,096,302.80
  4. Step 4: Simplify right side
    210,316,590.80x = 39,149,267,003,670,736
  5. Step 5: Solve for x
    x = 39,149,267,003,670,736/210,316,590.80
  6. Step 6: Final answer
    x = 186,144,454.20

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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.