Home / 84,742,967.04-127,192,384.80-65,696,121.60

Finding the Fourth Proportional to 84,742,967.04, 127,192,384.80 and 65,696,121.60

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Solution

The fourth proportional to 84,742,967.04, 127,192,384.80 and 65,696,121.60 is: 98,604,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742,967.04 : 127,192,384.80 = 65,696,121.60 : x
  2. Step 2: Convert to fraction form
    84,742,967.04/127,192,384.80 = 65,696,121.60/x
  3. Step 3: Cross multiply
    84,742,967.04x = 127,192,384.80 × 65,696,121.60
  4. Step 4: Simplify right side
    84,742,967.04x = 8,356,046,378,414,792
  5. Step 5: Solve for x
    x = 8,356,046,378,414,792/84,742,967.04
  6. Step 6: Final answer
    x = 98,604,600.13

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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.