Home / 118,901,628,117.60-178,352,442,176.40-66,005,817,352.80

Finding the Fourth Proportional to 118,901,628,117.60, 178,352,442,176.40 and 66,005,817,352.80

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Solution

The fourth proportional to 118,901,628,117.60, 178,352,442,176.40 and 66,005,817,352.80 is: 99,008,726,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,901,628,117.60 : 178,352,442,176.40 = 66,005,817,352.80 : x
  2. Step 2: Convert to fraction form
    118,901,628,117.60/178,352,442,176.40 = 66,005,817,352.80/x
  3. Step 3: Cross multiply
    118,901,628,117.60x = 178,352,442,176.40 × 66,005,817,352.80
  4. Step 4: Simplify right side
    118,901,628,117.60x = 11,772,298,722,721,281,343,488
  5. Step 5: Solve for x
    x = 11,772,298,722,721,281,343,488/118,901,628,117.60
  6. Step 6: Final answer
    x = 99,008,726,029.20

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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.