Home / 260,684,352-391,076,881.92-99,113,725.44

Finding the Fourth Proportional to 260,684,352, 391,076,881.92 and 99,113,725.44

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Solution

The fourth proportional to 260,684,352, 391,076,881.92 and 99,113,725.44 is: 148,689,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,352 : 391,076,881.92 = 99,113,725.44 : x
  2. Step 2: Convert to fraction form
    260,684,352/391,076,881.92 = 99,113,725.44/x
  3. Step 3: Cross multiply
    260,684,352x = 391,076,881.92 × 99,113,725.44
  4. Step 4: Simplify right side
    260,684,352x = 38,761,086,700,550,184
  5. Step 5: Solve for x
    x = 38,761,086,700,550,184/260,684,352
  6. Step 6: Final answer
    x = 148,689,733.02

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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.