Home / 210,699,712.74-290,766,225.66-116,620,394.02

Finding the Fourth Proportional to 210,699,712.74, 290,766,225.66 and 116,620,394.02

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Solution

The fourth proportional to 210,699,712.74, 290,766,225.66 and 116,620,394.02 is: 160,936,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,699,712.74 : 290,766,225.66 = 116,620,394.02 : x
  2. Step 2: Convert to fraction form
    210,699,712.74/290,766,225.66 = 116,620,394.02/x
  3. Step 3: Cross multiply
    210,699,712.74x = 290,766,225.66 × 116,620,394.02
  4. Step 4: Simplify right side
    210,699,712.74x = 33,909,271,804,177,436
  5. Step 5: Solve for x
    x = 33,909,271,804,177,436/210,699,712.74
  6. Step 6: Final answer
    x = 160,936,488.06

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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.