Home / 100,766,330.87-139,053,063.33-56,114,606.10

Finding the Fourth Proportional to 100,766,330.87, 139,053,063.33 and 56,114,606.10

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Solution

The fourth proportional to 100,766,330.87, 139,053,063.33 and 56,114,606.10 is: 77,435,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,766,330.87 : 139,053,063.33 = 56,114,606.10 : x
  2. Step 2: Convert to fraction form
    100,766,330.87/139,053,063.33 = 56,114,606.10/x
  3. Step 3: Cross multiply
    100,766,330.87x = 139,053,063.33 × 56,114,606.10
  4. Step 4: Simplify right side
    100,766,330.87x = 7,802,907,875,761,305
  5. Step 5: Solve for x
    x = 7,802,907,875,761,305/100,766,330.87
  6. Step 6: Final answer
    x = 77,435,665.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.