Home / 98,415,755.60-147,665,623.80-47,271,448.40

Finding the Fourth Proportional to 98,415,755.60, 147,665,623.80 and 47,271,448.40

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Solution

The fourth proportional to 98,415,755.60, 147,665,623.80 and 47,271,448.40 is: 70,927,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,755.60 : 147,665,623.80 = 47,271,448.40 : x
  2. Step 2: Convert to fraction form
    98,415,755.60/147,665,623.80 = 47,271,448.40/x
  3. Step 3: Cross multiply
    98,415,755.60x = 147,665,623.80 × 47,271,448.40
  4. Step 4: Simplify right side
    98,415,755.60x = 6,980,367,915,915,512
  5. Step 5: Solve for x
    x = 6,980,367,915,915,512/98,415,755.60
  6. Step 6: Final answer
    x = 70,927,341.60

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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.