Home / 103,257,848.52-142,490,421.48-56,839,035.96

Finding the Fourth Proportional to 103,257,848.52, 142,490,421.48 and 56,839,035.96

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Solution

The fourth proportional to 103,257,848.52, 142,490,421.48 and 56,839,035.96 is: 78,434,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257,848.52 : 142,490,421.48 = 56,839,035.96 : x
  2. Step 2: Convert to fraction form
    103,257,848.52/142,490,421.48 = 56,839,035.96/x
  3. Step 3: Cross multiply
    103,257,848.52x = 142,490,421.48 × 56,839,035.96
  4. Step 4: Simplify right side
    103,257,848.52x = 8,099,018,190,457,276
  5. Step 5: Solve for x
    x = 8,099,018,190,457,276/103,257,848.52
  6. Step 6: Final answer
    x = 78,434,891.94

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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.