Home / 76,014,316.60-114,020,405.70-18,506,714.20

Finding the Fourth Proportional to 76,014,316.60, 114,020,405.70 and 18,506,714.20

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Solution

The fourth proportional to 76,014,316.60, 114,020,405.70 and 18,506,714.20 is: 27,759,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014,316.60 : 114,020,405.70 = 18,506,714.20 : x
  2. Step 2: Convert to fraction form
    76,014,316.60/114,020,405.70 = 18,506,714.20/x
  3. Step 3: Cross multiply
    76,014,316.60x = 114,020,405.70 × 18,506,714.20
  4. Step 4: Simplify right side
    76,014,316.60x = 2,110,143,061,257,951
  5. Step 5: Solve for x
    x = 2,110,143,061,257,951/76,014,316.60
  6. Step 6: Final answer
    x = 27,759,810.99

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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.