Home / 137,740,337.73-190,077,783.66-75,015,019.89

Finding the Fourth Proportional to 137,740,337.73, 190,077,783.66 and 75,015,019.89

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Solution

The fourth proportional to 137,740,337.73, 190,077,783.66 and 75,015,019.89 is: 103,518,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,740,337.73 : 190,077,783.66 = 75,015,019.89 : x
  2. Step 2: Convert to fraction form
    137,740,337.73/190,077,783.66 = 75,015,019.89/x
  3. Step 3: Cross multiply
    137,740,337.73x = 190,077,783.66 × 75,015,019.89
  4. Step 4: Simplify right side
    137,740,337.73x = 14,258,688,721,902,016
  5. Step 5: Solve for x
    x = 14,258,688,721,902,016/137,740,337.73
  6. Step 6: Final answer
    x = 103,518,613.04

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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.