Home / 118,280,261.04-163,227,328.68-66,071,497.20

Finding the Fourth Proportional to 118,280,261.04, 163,227,328.68 and 66,071,497.20

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Solution

The fourth proportional to 118,280,261.04, 163,227,328.68 and 66,071,497.20 is: 91,178,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280,261.04 : 163,227,328.68 = 66,071,497.20 : x
  2. Step 2: Convert to fraction form
    118,280,261.04/163,227,328.68 = 66,071,497.20/x
  3. Step 3: Cross multiply
    118,280,261.04x = 163,227,328.68 × 66,071,497.20
  4. Step 4: Simplify right side
    118,280,261.04x = 10,784,673,989,844,100
  5. Step 5: Solve for x
    x = 10,784,673,989,844,100/118,280,261.04
  6. Step 6: Final answer
    x = 91,178,983.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.