Home / 336,870,276.40-505,494,371.40-142,748,657.20

Finding the Fourth Proportional to 336,870,276.40, 505,494,371.40 and 142,748,657.20

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Solution

The fourth proportional to 336,870,276.40, 505,494,371.40 and 142,748,657.20 is: 214,203,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,870,276.40 : 505,494,371.40 = 142,748,657.20 : x
  2. Step 2: Convert to fraction form
    336,870,276.40/505,494,371.40 = 142,748,657.20/x
  3. Step 3: Cross multiply
    336,870,276.40x = 505,494,371.40 × 142,748,657.20
  4. Step 4: Simplify right side
    336,870,276.40x = 72,158,642,739,508,080
  5. Step 5: Solve for x
    x = 72,158,642,739,508,080/336,870,276.40
  6. Step 6: Final answer
    x = 214,203,056.18

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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.