Home / 75,089,271.10-112,633,906.65-69,828,005.20

Finding the Fourth Proportional to 75,089,271.10, 112,633,906.65 and 69,828,005.20

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Solution

The fourth proportional to 75,089,271.10, 112,633,906.65 and 69,828,005.20 is: 104,742,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089,271.10 : 112,633,906.65 = 69,828,005.20 : x
  2. Step 2: Convert to fraction form
    75,089,271.10/112,633,906.65 = 69,828,005.20/x
  3. Step 3: Cross multiply
    75,089,271.10x = 112,633,906.65 × 69,828,005.20
  4. Step 4: Simplify right side
    75,089,271.10x = 7,865,001,019,252,515
  5. Step 5: Solve for x
    x = 7,865,001,019,252,515/75,089,271.10
  6. Step 6: Final answer
    x = 104,742,007.80

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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.