Home / 93,312,453.80-139,968,680.70-80,547,372.20

Finding the Fourth Proportional to 93,312,453.80, 139,968,680.70 and 80,547,372.20

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Solution

The fourth proportional to 93,312,453.80, 139,968,680.70 and 80,547,372.20 is: 120,821,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,453.80 : 139,968,680.70 = 80,547,372.20 : x
  2. Step 2: Convert to fraction form
    93,312,453.80/139,968,680.70 = 80,547,372.20/x
  3. Step 3: Cross multiply
    93,312,453.80x = 139,968,680.70 × 80,547,372.20
  4. Step 4: Simplify right side
    93,312,453.80x = 11,274,109,420,685,856
  5. Step 5: Solve for x
    x = 11,274,109,420,685,856/93,312,453.80
  6. Step 6: Final answer
    x = 120,821,058.30

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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.