Home / 103,059,329.84-142,221,036.84-56,649,090.32

Finding the Fourth Proportional to 103,059,329.84, 142,221,036.84 and 56,649,090.32

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Solution

The fourth proportional to 103,059,329.84, 142,221,036.84 and 56,649,090.32 is: 78,175,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059,329.84 : 142,221,036.84 = 56,649,090.32 : x
  2. Step 2: Convert to fraction form
    103,059,329.84/142,221,036.84 = 56,649,090.32/x
  3. Step 3: Cross multiply
    103,059,329.84x = 142,221,036.84 × 56,649,090.32
  4. Step 4: Simplify right side
    103,059,329.84x = 8,056,692,361,353,208
  5. Step 5: Solve for x
    x = 8,056,692,361,353,208/103,059,329.84
  6. Step 6: Final answer
    x = 78,175,283.83

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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.