Home / 112,109,421.60-168,164,132.40-66,003,962.40

Finding the Fourth Proportional to 112,109,421.60, 168,164,132.40 and 66,003,962.40

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Solution

The fourth proportional to 112,109,421.60, 168,164,132.40 and 66,003,962.40 is: 99,005,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109,421.60 : 168,164,132.40 = 66,003,962.40 : x
  2. Step 2: Convert to fraction form
    112,109,421.60/168,164,132.40 = 66,003,962.40/x
  3. Step 3: Cross multiply
    112,109,421.60x = 168,164,132.40 × 66,003,962.40
  4. Step 4: Simplify right side
    112,109,421.60x = 11,099,499,071,958,222
  5. Step 5: Solve for x
    x = 11,099,499,071,958,222/112,109,421.60
  6. Step 6: Final answer
    x = 99,005,943.60

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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.