Home / 162,154,802.71-243,620,238.17-103,976,465.18

Finding the Fourth Proportional to 162,154,802.71, 243,620,238.17 and 103,976,465.18

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Solution

The fourth proportional to 162,154,802.71, 243,620,238.17 and 103,976,465.18 is: 156,213,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,802.71 : 243,620,238.17 = 103,976,465.18 : x
  2. Step 2: Convert to fraction form
    162,154,802.71/243,620,238.17 = 103,976,465.18/x
  3. Step 3: Cross multiply
    162,154,802.71x = 243,620,238.17 × 103,976,465.18
  4. Step 4: Simplify right side
    162,154,802.71x = 25,330,771,210,759,304
  5. Step 5: Solve for x
    x = 25,330,771,210,759,304/162,154,802.71
  6. Step 6: Final answer
    x = 156,213,511.95

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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.