Home / 137,939,762,403.20-206,909,643,604.80-49,596,411,785.60

Finding the Fourth Proportional to 137,939,762,403.20, 206,909,643,604.80 and 49,596,411,785.60

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Solution

The fourth proportional to 137,939,762,403.20, 206,909,643,604.80 and 49,596,411,785.60 is: 74,394,617,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,939,762,403.20 : 206,909,643,604.80 = 49,596,411,785.60 : x
  2. Step 2: Convert to fraction form
    137,939,762,403.20/206,909,643,604.80 = 49,596,411,785.60/x
  3. Step 3: Cross multiply
    137,939,762,403.20x = 206,909,643,604.80 × 49,596,411,785.60
  4. Step 4: Simplify right side
    137,939,762,403.20x = 10,261,975,886,635,397,545,984
  5. Step 5: Solve for x
    x = 10,261,975,886,635,397,545,984/137,939,762,403.20
  6. Step 6: Final answer
    x = 74,394,617,678.40

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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.