Home / 85,547,166.80-128,226,271.80-47,236,175.60

Finding the Fourth Proportional to 85,547,166.80, 128,226,271.80 and 47,236,175.60

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Solution

The fourth proportional to 85,547,166.80, 128,226,271.80 and 47,236,175.60 is: 70,802,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547,166.80 : 128,226,271.80 = 47,236,175.60 : x
  2. Step 2: Convert to fraction form
    85,547,166.80/128,226,271.80 = 47,236,175.60/x
  3. Step 3: Cross multiply
    85,547,166.80x = 128,226,271.80 × 47,236,175.60
  4. Step 4: Simplify right side
    85,547,166.80x = 6,056,918,691,278,128
  5. Step 5: Solve for x
    x = 6,056,918,691,278,128/85,547,166.80
  6. Step 6: Final answer
    x = 70,802,095.71

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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.