Home / 74,083,075.20-111,124,612.80-69,926,025.60

Finding the Fourth Proportional to 74,083,075.20, 111,124,612.80 and 69,926,025.60

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Solution

The fourth proportional to 74,083,075.20, 111,124,612.80 and 69,926,025.60 is: 104,889,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083,075.20 : 111,124,612.80 = 69,926,025.60 : x
  2. Step 2: Convert to fraction form
    74,083,075.20/111,124,612.80 = 69,926,025.60/x
  3. Step 3: Cross multiply
    74,083,075.20x = 111,124,612.80 × 69,926,025.60
  4. Step 4: Simplify right side
    74,083,075.20x = 7,770,502,519,442,887
  5. Step 5: Solve for x
    x = 7,770,502,519,442,887/74,083,075.20
  6. Step 6: Final answer
    x = 104,889,038.40

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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.