Home / 249,525,817.20-374,313,738.60-85,742,002.80

Finding the Fourth Proportional to 249,525,817.20, 374,313,738.60 and 85,742,002.80

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Solution

The fourth proportional to 249,525,817.20, 374,313,738.60 and 85,742,002.80 is: 128,621,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,525,817.20 : 374,313,738.60 = 85,742,002.80 : x
  2. Step 2: Convert to fraction form
    249,525,817.20/374,313,738.60 = 85,742,002.80/x
  3. Step 3: Cross multiply
    249,525,817.20x = 374,313,738.60 × 85,742,002.80
  4. Step 4: Simplify right side
    249,525,817.20x = 32,094,409,623,119,668
  5. Step 5: Solve for x
    x = 32,094,409,623,119,668/249,525,817.20
  6. Step 6: Final answer
    x = 128,621,599.09

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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.