Home / 98,376,004.80-147,564,007.20-30,222,086.40

Finding the Fourth Proportional to 98,376,004.80, 147,564,007.20 and 30,222,086.40

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Solution

The fourth proportional to 98,376,004.80, 147,564,007.20 and 30,222,086.40 is: 45,333,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,376,004.80 : 147,564,007.20 = 30,222,086.40 : x
  2. Step 2: Convert to fraction form
    98,376,004.80/147,564,007.20 = 30,222,086.40/x
  3. Step 3: Cross multiply
    98,376,004.80x = 147,564,007.20 × 30,222,086.40
  4. Step 4: Simplify right side
    98,376,004.80x = 4,459,692,175,128,621.50
  5. Step 5: Solve for x
    x = 4,459,692,175,128,621.50/98,376,004.80
  6. Step 6: Final answer
    x = 45,333,129.60

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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.