Home / 127,598,235.40-191,397,353.10-120,879,771.40

Finding the Fourth Proportional to 127,598,235.40, 191,397,353.10 and 120,879,771.40

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Solution

The fourth proportional to 127,598,235.40, 191,397,353.10 and 120,879,771.40 is: 181,319,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,235.40 : 191,397,353.10 = 120,879,771.40 : x
  2. Step 2: Convert to fraction form
    127,598,235.40/191,397,353.10 = 120,879,771.40/x
  3. Step 3: Cross multiply
    127,598,235.40x = 191,397,353.10 × 120,879,771.40
  4. Step 4: Simplify right side
    127,598,235.40x = 23,136,068,289,293,080
  5. Step 5: Solve for x
    x = 23,136,068,289,293,080/127,598,235.40
  6. Step 6: Final answer
    x = 181,319,657.10

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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.