Home / 93,615,984.60-140,150,261.70-66,742,128.60

Finding the Fourth Proportional to 93,615,984.60, 140,150,261.70 and 66,742,128.60

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Solution

The fourth proportional to 93,615,984.60, 140,150,261.70 and 66,742,128.60 is: 99,918,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615,984.60 : 140,150,261.70 = 66,742,128.60 : x
  2. Step 2: Convert to fraction form
    93,615,984.60/140,150,261.70 = 66,742,128.60/x
  3. Step 3: Cross multiply
    93,615,984.60x = 140,150,261.70 × 66,742,128.60
  4. Step 4: Simplify right side
    93,615,984.60x = 9,353,926,789,705,054
  5. Step 5: Solve for x
    x = 9,353,926,789,705,054/93,615,984.60
  6. Step 6: Final answer
    x = 99,918,051.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.