Home / 98,692,407.42-136,205,700.39-56,877,940.86

Finding the Fourth Proportional to 98,692,407.42, 136,205,700.39 and 56,877,940.86

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Solution

The fourth proportional to 98,692,407.42, 136,205,700.39 and 56,877,940.86 is: 78,497,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,692,407.42 : 136,205,700.39 = 56,877,940.86 : x
  2. Step 2: Convert to fraction form
    98,692,407.42/136,205,700.39 = 56,877,940.86/x
  3. Step 3: Cross multiply
    98,692,407.42x = 136,205,700.39 × 56,877,940.86
  4. Step 4: Simplify right side
    98,692,407.42x = 7,747,099,771,577,298
  5. Step 5: Solve for x
    x = 7,747,099,771,577,298/98,692,407.42
  6. Step 6: Final answer
    x = 78,497,424.21

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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.