Home / 191,030,330.08-286,253,213.68-128,550,261.20

Finding the Fourth Proportional to 191,030,330.08, 286,253,213.68 and 128,550,261.20

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Solution

The fourth proportional to 191,030,330.08, 286,253,213.68 and 128,550,261.20 is: 192,628,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,030,330.08 : 286,253,213.68 = 128,550,261.20 : x
  2. Step 2: Convert to fraction form
    191,030,330.08/286,253,213.68 = 128,550,261.20/x
  3. Step 3: Cross multiply
    191,030,330.08x = 286,253,213.68 × 128,550,261.20
  4. Step 4: Simplify right side
    191,030,330.08x = 36,797,925,387,903,416
  5. Step 5: Solve for x
    x = 36,797,925,387,903,416/191,030,330.08
  6. Step 6: Final answer
    x = 192,628,706.51

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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.