Home / 102,996,492.48-142,136,121.60-56,587,708.80

Finding the Fourth Proportional to 102,996,492.48, 142,136,121.60 and 56,587,708.80

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Solution

The fourth proportional to 102,996,492.48, 142,136,121.60 and 56,587,708.80 is: 78,091,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,996,492.48 : 142,136,121.60 = 56,587,708.80 : x
  2. Step 2: Convert to fraction form
    102,996,492.48/142,136,121.60 = 56,587,708.80/x
  3. Step 3: Cross multiply
    102,996,492.48x = 142,136,121.60 × 56,587,708.80
  4. Step 4: Simplify right side
    102,996,492.48x = 8,043,157,459,062,189
  5. Step 5: Solve for x
    x = 8,043,157,459,062,189/102,996,492.48
  6. Step 6: Final answer
    x = 78,091,566.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.