Home / 191,716,856.40-287,575,284.60-146,367,224.40

Finding the Fourth Proportional to 191,716,856.40, 287,575,284.60 and 146,367,224.40

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Solution

The fourth proportional to 191,716,856.40, 287,575,284.60 and 146,367,224.40 is: 219,550,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,716,856.40 : 287,575,284.60 = 146,367,224.40 : x
  2. Step 2: Convert to fraction form
    191,716,856.40/287,575,284.60 = 146,367,224.40/x
  3. Step 3: Cross multiply
    191,716,856.40x = 287,575,284.60 × 146,367,224.40
  4. Step 4: Simplify right side
    191,716,856.40x = 42,091,596,212,942,072
  5. Step 5: Solve for x
    x = 42,091,596,212,942,072/191,716,856.40
  6. Step 6: Final answer
    x = 219,550,836.60

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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.