Home / 289,742,820.60-434,614,230.90-174,668,129.40

Finding the Fourth Proportional to 289,742,820.60, 434,614,230.90 and 174,668,129.40

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Solution

The fourth proportional to 289,742,820.60, 434,614,230.90 and 174,668,129.40 is: 262,002,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,742,820.60 : 434,614,230.90 = 174,668,129.40 : x
  2. Step 2: Convert to fraction form
    289,742,820.60/434,614,230.90 = 174,668,129.40/x
  3. Step 3: Cross multiply
    289,742,820.60x = 434,614,230.90 × 174,668,129.40
  4. Step 4: Simplify right side
    289,742,820.60x = 75,913,254,721,922,672
  5. Step 5: Solve for x
    x = 75,913,254,721,922,672/289,742,820.60
  6. Step 6: Final answer
    x = 262,002,194.10

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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.