Home / 285,909,284.58-429,045,319.08-122,148,274.92

Finding the Fourth Proportional to 285,909,284.58, 429,045,319.08 and 122,148,274.92

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Solution

The fourth proportional to 285,909,284.58, 429,045,319.08 and 122,148,274.92 is: 183,299,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,909,284.58 : 429,045,319.08 = 122,148,274.92 : x
  2. Step 2: Convert to fraction form
    285,909,284.58/429,045,319.08 = 122,148,274.92/x
  3. Step 3: Cross multiply
    285,909,284.58x = 429,045,319.08 × 122,148,274.92
  4. Step 4: Simplify right side
    285,909,284.58x = 52,407,145,588,122,960
  5. Step 5: Solve for x
    x = 52,407,145,588,122,960/285,909,284.58
  6. Step 6: Final answer
    x = 183,299,908.10

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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.