Home / 212,299,582.72-293,063,820.24-142,725,316

Finding the Fourth Proportional to 212,299,582.72, 293,063,820.24 and 142,725,316

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Solution

The fourth proportional to 212,299,582.72, 293,063,820.24 and 142,725,316 is: 197,021,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,299,582.72 : 293,063,820.24 = 142,725,316 : x
  2. Step 2: Convert to fraction form
    212,299,582.72/293,063,820.24 = 142,725,316/x
  3. Step 3: Cross multiply
    212,299,582.72x = 293,063,820.24 × 142,725,316
  4. Step 4: Simplify right side
    212,299,582.72x = 41,827,626,351,921,200
  5. Step 5: Solve for x
    x = 41,827,626,351,921,200/212,299,582.72
  6. Step 6: Final answer
    x = 197,021,707.80

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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.