Home / 98,495,555.20-147,743,332.80-30,329,389.60

Finding the Fourth Proportional to 98,495,555.20, 147,743,332.80 and 30,329,389.60

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Solution

The fourth proportional to 98,495,555.20, 147,743,332.80 and 30,329,389.60 is: 45,494,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495,555.20 : 147,743,332.80 = 30,329,389.60 : x
  2. Step 2: Convert to fraction form
    98,495,555.20/147,743,332.80 = 30,329,389.60/x
  3. Step 3: Cross multiply
    98,495,555.20x = 147,743,332.80 × 30,329,389.60
  4. Step 4: Simplify right side
    98,495,555.20x = 4,480,965,101,293,659.50
  5. Step 5: Solve for x
    x = 4,480,965,101,293,659.50/98,495,555.20
  6. Step 6: Final answer
    x = 45,494,084.40

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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.