Home / 170,866,281.60-256,236,436.80-84,576,009.60

Finding the Fourth Proportional to 170,866,281.60, 256,236,436.80 and 84,576,009.60

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Solution

The fourth proportional to 170,866,281.60, 256,236,436.80 and 84,576,009.60 is: 126,832,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,866,281.60 : 256,236,436.80 = 84,576,009.60 : x
  2. Step 2: Convert to fraction form
    170,866,281.60/256,236,436.80 = 84,576,009.60/x
  3. Step 3: Cross multiply
    170,866,281.60x = 256,236,436.80 × 84,576,009.60
  4. Step 4: Simplify right side
    170,866,281.60x = 21,671,455,338,666,592
  5. Step 5: Solve for x
    x = 21,671,455,338,666,592/170,866,281.60
  6. Step 6: Final answer
    x = 126,832,837.56

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1.5x scale

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.