Home / 185,939,680.40-278,920,018.20-56,551,511.60

Finding the Fourth Proportional to 185,939,680.40, 278,920,018.20 and 56,551,511.60

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Solution

The fourth proportional to 185,939,680.40, 278,920,018.20 and 56,551,511.60 is: 84,830,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,939,680.40 : 278,920,018.20 = 56,551,511.60 : x
  2. Step 2: Convert to fraction form
    185,939,680.40/278,920,018.20 = 56,551,511.60/x
  3. Step 3: Cross multiply
    185,939,680.40x = 278,920,018.20 × 56,551,511.60
  4. Step 4: Simplify right side
    185,939,680.40x = 15,773,348,644,709,510
  5. Step 5: Solve for x
    x = 15,773,348,644,709,510/185,939,680.40
  6. Step 6: Final answer
    x = 84,830,460.13

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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.