Home / 108,459,035.40-162,847,985.40-76,253,710.80

Finding the Fourth Proportional to 108,459,035.40, 162,847,985.40 and 76,253,710.80

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Solution

The fourth proportional to 108,459,035.40, 162,847,985.40 and 76,253,710.80 is: 114,492,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459,035.40 : 162,847,985.40 = 76,253,710.80 : x
  2. Step 2: Convert to fraction form
    108,459,035.40/162,847,985.40 = 76,253,710.80/x
  3. Step 3: Cross multiply
    108,459,035.40x = 162,847,985.40 × 76,253,710.80
  4. Step 4: Simplify right side
    108,459,035.40x = 12,417,763,183,054,222
  5. Step 5: Solve for x
    x = 12,417,763,183,054,222/108,459,035.40
  6. Step 6: Final answer
    x = 114,492,657.41

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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.