Home / 93,312,009.80-139,968,014.70-79,707,120.20

Finding the Fourth Proportional to 93,312,009.80, 139,968,014.70 and 79,707,120.20

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Solution

The fourth proportional to 93,312,009.80, 139,968,014.70 and 79,707,120.20 is: 119,560,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,009.80 : 139,968,014.70 = 79,707,120.20 : x
  2. Step 2: Convert to fraction form
    93,312,009.80/139,968,014.70 = 79,707,120.20/x
  3. Step 3: Cross multiply
    93,312,009.80x = 139,968,014.70 × 79,707,120.20
  4. Step 4: Simplify right side
    93,312,009.80x = 11,156,447,371,848,266
  5. Step 5: Solve for x
    x = 11,156,447,371,848,266/93,312,009.80
  6. Step 6: Final answer
    x = 119,560,680.30

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1.5x scale

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.