Home / 98,355,310.40-147,532,965.60-91,636,846.40

Finding the Fourth Proportional to 98,355,310.40, 147,532,965.60 and 91,636,846.40

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Solution

The fourth proportional to 98,355,310.40, 147,532,965.60 and 91,636,846.40 is: 137,455,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355,310.40 : 147,532,965.60 = 91,636,846.40 : x
  2. Step 2: Convert to fraction form
    98,355,310.40/147,532,965.60 = 91,636,846.40/x
  3. Step 3: Cross multiply
    98,355,310.40x = 147,532,965.60 × 91,636,846.40
  4. Step 4: Simplify right side
    98,355,310.40x = 13,519,455,707,623,684
  5. Step 5: Solve for x
    x = 13,519,455,707,623,684/98,355,310.40
  6. Step 6: Final answer
    x = 137,455,269.60

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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.