Home / 162,154,816.99-243,620,259.63-103,976,479.51

Finding the Fourth Proportional to 162,154,816.99, 243,620,259.63 and 103,976,479.51

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Solution

The fourth proportional to 162,154,816.99, 243,620,259.63 and 103,976,479.51 is: 156,213,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,816.99 : 243,620,259.63 = 103,976,479.51 : x
  2. Step 2: Convert to fraction form
    162,154,816.99/243,620,259.63 = 103,976,479.51/x
  3. Step 3: Cross multiply
    162,154,816.99x = 243,620,259.63 × 103,976,479.51
  4. Step 4: Simplify right side
    162,154,816.99x = 25,330,776,933,639,576
  5. Step 5: Solve for x
    x = 25,330,776,933,639,576/162,154,816.99
  6. Step 6: Final answer
    x = 156,213,533.49

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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.