Home / 262,869,378.61-393,636,635.32-157,758,558.03

Finding the Fourth Proportional to 262,869,378.61, 393,636,635.32 and 157,758,558.03

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Solution

The fourth proportional to 262,869,378.61, 393,636,635.32 and 157,758,558.03 is: 236,237,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,869,378.61 : 393,636,635.32 = 157,758,558.03 : x
  2. Step 2: Convert to fraction form
    262,869,378.61/393,636,635.32 = 157,758,558.03/x
  3. Step 3: Cross multiply
    262,869,378.61x = 393,636,635.32 × 157,758,558.03
  4. Step 4: Simplify right side
    262,869,378.61x = 62,099,547,976,763,112
  5. Step 5: Solve for x
    x = 62,099,547,976,763,112/262,869,378.61
  6. Step 6: Final answer
    x = 236,237,283.72

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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.