Home / 75,089,272.10-112,633,908.15-69,828,006.20

Finding the Fourth Proportional to 75,089,272.10, 112,633,908.15 and 69,828,006.20

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Solution

The fourth proportional to 75,089,272.10, 112,633,908.15 and 69,828,006.20 is: 104,742,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089,272.10 : 112,633,908.15 = 69,828,006.20 : x
  2. Step 2: Convert to fraction form
    75,089,272.10/112,633,908.15 = 69,828,006.20/x
  3. Step 3: Cross multiply
    75,089,272.10x = 112,633,908.15 × 69,828,006.20
  4. Step 4: Simplify right side
    75,089,272.10x = 7,865,001,236,628,431
  5. Step 5: Solve for x
    x = 7,865,001,236,628,431/75,089,272.10
  6. Step 6: Final answer
    x = 104,742,009.30

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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.