Home / 286,461,915.93-429,859,611.86-120,453,421.41

Finding the Fourth Proportional to 286,461,915.93, 429,859,611.86 and 120,453,421.41

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Solution

The fourth proportional to 286,461,915.93, 429,859,611.86 and 120,453,421.41 is: 180,750,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,461,915.93 : 429,859,611.86 = 120,453,421.41 : x
  2. Step 2: Convert to fraction form
    286,461,915.93/429,859,611.86 = 120,453,421.41/x
  3. Step 3: Cross multiply
    286,461,915.93x = 429,859,611.86 × 120,453,421.41
  4. Step 4: Simplify right side
    286,461,915.93x = 51,778,060,973,909,344
  5. Step 5: Solve for x
    x = 51,778,060,973,909,344/286,461,915.93
  6. Step 6: Final answer
    x = 180,750,243.21

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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.