Home / 90,742,874,809.84-136,112,443,057.86-30,241,545,996.76

Finding the Fourth Proportional to 90,742,874,809.84, 136,112,443,057.86 and 30,241,545,996.76

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Solution

The fourth proportional to 90,742,874,809.84, 136,112,443,057.86 and 30,241,545,996.76 is: 45,361,696,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,874,809.84 : 136,112,443,057.86 = 30,241,545,996.76 : x
  2. Step 2: Convert to fraction form
    90,742,874,809.84/136,112,443,057.86 = 30,241,545,996.76/x
  3. Step 3: Cross multiply
    90,742,874,809.84x = 136,112,443,057.86 × 30,241,545,996.76
  4. Step 4: Simplify right side
    90,742,874,809.84x = 4,116,250,707,465,649,258,496
  5. Step 5: Solve for x
    x = 4,116,250,707,465,649,258,496/90,742,874,809.84
  6. Step 6: Final answer
    x = 45,361,696,068.06

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1.5x scale

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.