Home / 93,312,093.80-139,968,140.70-42,195,780.20

Finding the Fourth Proportional to 93,312,093.80, 139,968,140.70 and 42,195,780.20

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Solution

The fourth proportional to 93,312,093.80, 139,968,140.70 and 42,195,780.20 is: 63,293,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,093.80 : 139,968,140.70 = 42,195,780.20 : x
  2. Step 2: Convert to fraction form
    93,312,093.80/139,968,140.70 = 42,195,780.20/x
  3. Step 3: Cross multiply
    93,312,093.80x = 139,968,140.70 × 42,195,780.20
  4. Step 4: Simplify right side
    93,312,093.80x = 5,906,064,899,979,874
  5. Step 5: Solve for x
    x = 5,906,064,899,979,874/93,312,093.80
  6. Step 6: Final answer
    x = 63,293,670.30

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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.