Home / 124,170,762.68-186,284,963.25-42,290,350.32

Finding the Fourth Proportional to 124,170,762.68, 186,284,963.25 and 42,290,350.32

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Solution

The fourth proportional to 124,170,762.68, 186,284,963.25 and 42,290,350.32 is: 63,445,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170,762.68 : 186,284,963.25 = 42,290,350.32 : x
  2. Step 2: Convert to fraction form
    124,170,762.68/186,284,963.25 = 42,290,350.32/x
  3. Step 3: Cross multiply
    124,170,762.68x = 186,284,963.25 × 42,290,350.32
  4. Step 4: Simplify right side
    124,170,762.68x = 7,878,056,355,190,826
  5. Step 5: Solve for x
    x = 7,878,056,355,190,826/124,170,762.68
  6. Step 6: Final answer
    x = 63,445,340.80

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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.