Home / 90,742,874,771.13-136,112,442,999.81-30,241,545,958.04

Finding the Fourth Proportional to 90,742,874,771.13, 136,112,442,999.81 and 30,241,545,958.04

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Solution

The fourth proportional to 90,742,874,771.13, 136,112,442,999.81 and 30,241,545,958.04 is: 45,361,696,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,874,771.13 : 136,112,442,999.81 = 30,241,545,958.04 : x
  2. Step 2: Convert to fraction form
    90,742,874,771.13/136,112,442,999.81 = 30,241,545,958.04/x
  3. Step 3: Cross multiply
    90,742,874,771.13x = 136,112,442,999.81 × 30,241,545,958.04
  4. Step 4: Simplify right side
    90,742,874,771.13x = 4,116,250,700,439,173,464,064
  5. Step 5: Solve for x
    x = 4,116,250,700,439,173,464,064/90,742,874,771.13
  6. Step 6: Final answer
    x = 45,361,696,009.97

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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.