Home / 289,742,713.10-434,614,069.65-174,668,021.90

Finding the Fourth Proportional to 289,742,713.10, 434,614,069.65 and 174,668,021.90

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Solution

The fourth proportional to 289,742,713.10, 434,614,069.65 and 174,668,021.90 is: 262,002,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,742,713.10 : 434,614,069.65 = 174,668,021.90 : x
  2. Step 2: Convert to fraction form
    289,742,713.10/434,614,069.65 = 174,668,021.90/x
  3. Step 3: Cross multiply
    289,742,713.10x = 434,614,069.65 × 174,668,021.90
  4. Step 4: Simplify right side
    289,742,713.10x = 75,913,179,835,674,320
  5. Step 5: Solve for x
    x = 75,913,179,835,674,320/289,742,713.10
  6. Step 6: Final answer
    x = 262,002,032.85

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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.