Home / 127,879,291.70-191,818,937.55-47,089,762.10

Finding the Fourth Proportional to 127,879,291.70, 191,818,937.55 and 47,089,762.10

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Solution

The fourth proportional to 127,879,291.70, 191,818,937.55 and 47,089,762.10 is: 70,634,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,879,291.70 : 191,818,937.55 = 47,089,762.10 : x
  2. Step 2: Convert to fraction form
    127,879,291.70/191,818,937.55 = 47,089,762.10/x
  3. Step 3: Cross multiply
    127,879,291.70x = 191,818,937.55 × 47,089,762.10
  4. Step 4: Simplify right side
    127,879,291.70x = 9,032,708,135,504,258
  5. Step 5: Solve for x
    x = 9,032,708,135,504,258/127,879,291.70
  6. Step 6: Final answer
    x = 70,634,643.15

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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.