Home / 289,742,816.60-434,614,224.90-174,668,125.40

Finding the Fourth Proportional to 289,742,816.60, 434,614,224.90 and 174,668,125.40

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Solution

The fourth proportional to 289,742,816.60, 434,614,224.90 and 174,668,125.40 is: 262,002,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,742,816.60 : 434,614,224.90 = 174,668,125.40 : x
  2. Step 2: Convert to fraction form
    289,742,816.60/434,614,224.90 = 174,668,125.40/x
  3. Step 3: Cross multiply
    289,742,816.60x = 434,614,224.90 × 174,668,125.40
  4. Step 4: Simplify right side
    289,742,816.60x = 75,913,251,935,457,008
  5. Step 5: Solve for x
    x = 75,913,251,935,457,008/289,742,816.60
  6. Step 6: Final answer
    x = 262,002,188.10

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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.