Home / 137,503,308,657.74-189,754,575,072.60-76,534,367,448.20

Finding the Fourth Proportional to 137,503,308,657.74, 189,754,575,072.60 and 76,534,367,448.20

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Solution

The fourth proportional to 137,503,308,657.74, 189,754,575,072.60 and 76,534,367,448.20 is: 105,617,432,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,503,308,657.74 : 189,754,575,072.60 = 76,534,367,448.20 : x
  2. Step 2: Convert to fraction form
    137,503,308,657.74/189,754,575,072.60 = 76,534,367,448.20/x
  3. Step 3: Cross multiply
    137,503,308,657.74x = 189,754,575,072.60 × 76,534,367,448.20
  4. Step 4: Simplify right side
    137,503,308,657.74x = 14,522,746,373,583,419,736,064
  5. Step 5: Solve for x
    x = 14,522,746,373,583,419,736,064/137,503,308,657.74
  6. Step 6: Final answer
    x = 105,617,432,157.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.