Home / 200,688,009.60-301,032,014.40-64,387,171.20

Finding the Fourth Proportional to 200,688,009.60, 301,032,014.40 and 64,387,171.20

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Solution

The fourth proportional to 200,688,009.60, 301,032,014.40 and 64,387,171.20 is: 96,580,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,688,009.60 : 301,032,014.40 = 64,387,171.20 : x
  2. Step 2: Convert to fraction form
    200,688,009.60/301,032,014.40 = 64,387,171.20/x
  3. Step 3: Cross multiply
    200,688,009.60x = 301,032,014.40 × 64,387,171.20
  4. Step 4: Simplify right side
    200,688,009.60x = 19,382,599,847,853,664
  5. Step 5: Solve for x
    x = 19,382,599,847,853,664/200,688,009.60
  6. Step 6: Final answer
    x = 96,580,756.80

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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.