Home / 249,525,819.20-374,313,741.60-85,742,004.80

Finding the Fourth Proportional to 249,525,819.20, 374,313,741.60 and 85,742,004.80

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Solution

The fourth proportional to 249,525,819.20, 374,313,741.60 and 85,742,004.80 is: 128,621,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,525,819.20 : 374,313,741.60 = 85,742,004.80 : x
  2. Step 2: Convert to fraction form
    249,525,819.20/374,313,741.60 = 85,742,004.80/x
  3. Step 3: Cross multiply
    249,525,819.20x = 374,313,741.60 × 85,742,004.80
  4. Step 4: Simplify right side
    249,525,819.20x = 32,094,410,628,973,160
  5. Step 5: Solve for x
    x = 32,094,410,628,973,160/249,525,819.20
  6. Step 6: Final answer
    x = 128,621,602.09

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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.