Home / 151,751,265.48-209,417,376.92-82,136,646.27

Finding the Fourth Proportional to 151,751,265.48, 209,417,376.92 and 82,136,646.27

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Solution

The fourth proportional to 151,751,265.48, 209,417,376.92 and 82,136,646.27 is: 113,348,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,751,265.48 : 209,417,376.92 = 82,136,646.27 : x
  2. Step 2: Convert to fraction form
    151,751,265.48/209,417,376.92 = 82,136,646.27/x
  3. Step 3: Cross multiply
    151,751,265.48x = 209,417,376.92 × 82,136,646.27
  4. Step 4: Simplify right side
    151,751,265.48x = 17,200,841,010,458,618
  5. Step 5: Solve for x
    x = 17,200,841,010,458,618/151,751,265.48
  6. Step 6: Final answer
    x = 113,348,913.14

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1.5x scale

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.