Home / 76,064,009.60-114,096,014.40-72,348,118.40

Finding the Fourth Proportional to 76,064,009.60, 114,096,014.40 and 72,348,118.40

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Solution

The fourth proportional to 76,064,009.60, 114,096,014.40 and 72,348,118.40 is: 108,522,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,064,009.60 : 114,096,014.40 = 72,348,118.40 : x
  2. Step 2: Convert to fraction form
    76,064,009.60/114,096,014.40 = 72,348,118.40/x
  3. Step 3: Cross multiply
    76,064,009.60x = 114,096,014.40 × 72,348,118.40
  4. Step 4: Simplify right side
    76,064,009.60x = 8,254,631,958,779,306
  5. Step 5: Solve for x
    x = 8,254,631,958,779,306/76,064,009.60
  6. Step 6: Final answer
    x = 108,522,177.60

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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.