Home / 79,382,803.92-118,900,600.44-56,283,721.36

Finding the Fourth Proportional to 79,382,803.92, 118,900,600.44 and 56,283,721.36

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Solution

The fourth proportional to 79,382,803.92, 118,900,600.44 and 56,283,721.36 is: 84,302,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,382,803.92 : 118,900,600.44 = 56,283,721.36 : x
  2. Step 2: Convert to fraction form
    79,382,803.92/118,900,600.44 = 56,283,721.36/x
  3. Step 3: Cross multiply
    79,382,803.92x = 118,900,600.44 × 56,283,721.36
  4. Step 4: Simplify right side
    79,382,803.92x = 6,692,168,264,701,653
  5. Step 5: Solve for x
    x = 6,692,168,264,701,653/79,382,803.92
  6. Step 6: Final answer
    x = 84,302,492.91

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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.