Home / 90,742,874,808.84-136,112,443,056.36-30,241,545,995.76

Finding the Fourth Proportional to 90,742,874,808.84, 136,112,443,056.36 and 30,241,545,995.76

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Solution

The fourth proportional to 90,742,874,808.84, 136,112,443,056.36 and 30,241,545,995.76 is: 45,361,696,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,874,808.84 : 136,112,443,056.36 = 30,241,545,995.76 : x
  2. Step 2: Convert to fraction form
    90,742,874,808.84/136,112,443,056.36 = 30,241,545,995.76/x
  3. Step 3: Cross multiply
    90,742,874,808.84x = 136,112,443,056.36 × 30,241,545,995.76
  4. Step 4: Simplify right side
    90,742,874,808.84x = 4,116,250,707,284,174,307,328
  5. Step 5: Solve for x
    x = 4,116,250,707,284,174,307,328/90,742,874,808.84
  6. Step 6: Final answer
    x = 45,361,696,066.56

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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.