Home / 103,435,766.96-142,742,349.26-57,027,685.28

Finding the Fourth Proportional to 103,435,766.96, 142,742,349.26 and 57,027,685.28

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Solution

The fourth proportional to 103,435,766.96, 142,742,349.26 and 57,027,685.28 is: 78,698,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435,766.96 : 142,742,349.26 = 57,027,685.28 : x
  2. Step 2: Convert to fraction form
    103,435,766.96/142,742,349.26 = 57,027,685.28/x
  3. Step 3: Cross multiply
    103,435,766.96x = 142,742,349.26 × 57,027,685.28
  4. Step 4: Simplify right side
    103,435,766.96x = 8,140,265,769,727,121
  5. Step 5: Solve for x
    x = 8,140,265,769,727,121/103,435,766.96
  6. Step 6: Final answer
    x = 78,698,751.98

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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.