Home / 115,925,143.20-173,887,714.80-70,575,511.20

Finding the Fourth Proportional to 115,925,143.20, 173,887,714.80 and 70,575,511.20

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Solution

The fourth proportional to 115,925,143.20, 173,887,714.80 and 70,575,511.20 is: 105,863,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925,143.20 : 173,887,714.80 = 70,575,511.20 : x
  2. Step 2: Convert to fraction form
    115,925,143.20/173,887,714.80 = 70,575,511.20/x
  3. Step 3: Cross multiply
    115,925,143.20x = 173,887,714.80 × 70,575,511.20
  4. Step 4: Simplify right side
    115,925,143.20x = 12,272,214,363,409,808
  5. Step 5: Solve for x
    x = 12,272,214,363,409,808/115,925,143.20
  6. Step 6: Final answer
    x = 105,863,266.80

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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.