Home / 93,312,805.80-139,969,208.70-80,547,724.20

Finding the Fourth Proportional to 93,312,805.80, 139,969,208.70 and 80,547,724.20

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Solution

The fourth proportional to 93,312,805.80, 139,969,208.70 and 80,547,724.20 is: 120,821,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,805.80 : 139,969,208.70 = 80,547,724.20 : x
  2. Step 2: Convert to fraction form
    93,312,805.80/139,969,208.70 = 80,547,724.20/x
  3. Step 3: Cross multiply
    93,312,805.80x = 139,969,208.70 × 80,547,724.20
  4. Step 4: Simplify right side
    93,312,805.80x = 11,274,201,218,859,840
  5. Step 5: Solve for x
    x = 11,274,201,218,859,840/93,312,805.80
  6. Step 6: Final answer
    x = 120,821,586.30

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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.