Home / 340,520,063.77-510,780,102.41-81,735,284.04

Finding the Fourth Proportional to 340,520,063.77, 510,780,102.41 and 81,735,284.04

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Solution

The fourth proportional to 340,520,063.77, 510,780,102.41 and 81,735,284.04 is: 122,602,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,063.77 : 510,780,102.41 = 81,735,284.04 : x
  2. Step 2: Convert to fraction form
    340,520,063.77/510,780,102.41 = 81,735,284.04/x
  3. Step 3: Cross multiply
    340,520,063.77x = 510,780,102.41 × 81,735,284.04
  4. Step 4: Simplify right side
    340,520,063.77x = 41,748,756,754,054,232
  5. Step 5: Solve for x
    x = 41,748,756,754,054,232/340,520,063.77
  6. Step 6: Final answer
    x = 122,602,927.69

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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.