Home / 211,264,822.40-316,897,233.60-88,421,907.20

Finding the Fourth Proportional to 211,264,822.40, 316,897,233.60 and 88,421,907.20

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Solution

The fourth proportional to 211,264,822.40, 316,897,233.60 and 88,421,907.20 is: 132,632,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,264,822.40 : 316,897,233.60 = 88,421,907.20 : x
  2. Step 2: Convert to fraction form
    211,264,822.40/316,897,233.60 = 88,421,907.20/x
  3. Step 3: Cross multiply
    211,264,822.40x = 316,897,233.60 × 88,421,907.20
  4. Step 4: Simplify right side
    211,264,822.40x = 28,020,657,781,315,924
  5. Step 5: Solve for x
    x = 28,020,657,781,315,924/211,264,822.40
  6. Step 6: Final answer
    x = 132,632,860.80

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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.