Home / 103,435,765.96-142,742,347.88-57,027,684.28

Finding the Fourth Proportional to 103,435,765.96, 142,742,347.88 and 57,027,684.28

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Solution

The fourth proportional to 103,435,765.96, 142,742,347.88 and 57,027,684.28 is: 78,698,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435,765.96 : 142,742,347.88 = 57,027,684.28 : x
  2. Step 2: Convert to fraction form
    103,435,765.96/142,742,347.88 = 57,027,684.28/x
  3. Step 3: Cross multiply
    103,435,765.96x = 142,742,347.88 × 57,027,684.28
  4. Step 4: Simplify right side
    103,435,765.96x = 8,140,265,548,429,136
  5. Step 5: Solve for x
    x = 8,140,265,548,429,136/103,435,765.96
  6. Step 6: Final answer
    x = 78,698,750.60

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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.