Home / 111,841,752.48-154,262,114.04-74,653,282.80

Finding the Fourth Proportional to 111,841,752.48, 154,262,114.04 and 74,653,282.80

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Solution

The fourth proportional to 111,841,752.48, 154,262,114.04 and 74,653,282.80 is: 102,968,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841,752.48 : 154,262,114.04 = 74,653,282.80 : x
  2. Step 2: Convert to fraction form
    111,841,752.48/154,262,114.04 = 74,653,282.80/x
  3. Step 3: Cross multiply
    111,841,752.48x = 154,262,114.04 × 74,653,282.80
  4. Step 4: Simplify right side
    111,841,752.48x = 11,516,173,224,753,970
  5. Step 5: Solve for x
    x = 11,516,173,224,753,970/111,841,752.48
  6. Step 6: Final answer
    x = 102,968,461.86

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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.