Home / 113,373,007.60-170,059,511.40-90,698,191.60

Finding the Fourth Proportional to 113,373,007.60, 170,059,511.40 and 90,698,191.60

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Solution

The fourth proportional to 113,373,007.60, 170,059,511.40 and 90,698,191.60 is: 136,047,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373,007.60 : 170,059,511.40 = 90,698,191.60 : x
  2. Step 2: Convert to fraction form
    113,373,007.60/170,059,511.40 = 90,698,191.60/x
  3. Step 3: Cross multiply
    113,373,007.60x = 170,059,511.40 × 90,698,191.60
  4. Step 4: Simplify right side
    113,373,007.60x = 15,424,090,148,359,584
  5. Step 5: Solve for x
    x = 15,424,090,148,359,584/113,373,007.60
  6. Step 6: Final answer
    x = 136,047,287.40

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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.