Home / 90,742,874,802.84-136,112,443,047.36-30,241,545,989.76

Finding the Fourth Proportional to 90,742,874,802.84, 136,112,443,047.36 and 30,241,545,989.76

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Solution

The fourth proportional to 90,742,874,802.84, 136,112,443,047.36 and 30,241,545,989.76 is: 45,361,696,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,874,802.84 : 136,112,443,047.36 = 30,241,545,989.76 : x
  2. Step 2: Convert to fraction form
    90,742,874,802.84/136,112,443,047.36 = 30,241,545,989.76/x
  3. Step 3: Cross multiply
    90,742,874,802.84x = 136,112,443,047.36 × 30,241,545,989.76
  4. Step 4: Simplify right side
    90,742,874,802.84x = 4,116,250,706,195,326,173,184
  5. Step 5: Solve for x
    x = 4,116,250,706,195,326,173,184/90,742,874,802.84
  6. Step 6: Final answer
    x = 45,361,696,057.56

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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.