Home / 156,478,623.40-234,801,915.90-65,611,397.80

Finding the Fourth Proportional to 156,478,623.40, 234,801,915.90 and 65,611,397.80

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Solution

The fourth proportional to 156,478,623.40, 234,801,915.90 and 65,611,397.80 is: 98,452,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,478,623.40 : 234,801,915.90 = 65,611,397.80 : x
  2. Step 2: Convert to fraction form
    156,478,623.40/234,801,915.90 = 65,611,397.80/x
  3. Step 3: Cross multiply
    156,478,623.40x = 234,801,915.90 × 65,611,397.80
  4. Step 4: Simplify right side
    156,478,623.40x = 15,405,681,908,317,044
  5. Step 5: Solve for x
    x = 15,405,681,908,317,044/156,478,623.40
  6. Step 6: Final answer
    x = 98,452,309.80

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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.