Home / 98,318,664.20-147,537,045.30-40,804,938.20

Finding the Fourth Proportional to 98,318,664.20, 147,537,045.30 and 40,804,938.20

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Solution

The fourth proportional to 98,318,664.20, 147,537,045.30 and 40,804,938.20 is: 61,231,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,318,664.20 : 147,537,045.30 = 40,804,938.20 : x
  2. Step 2: Convert to fraction form
    98,318,664.20/147,537,045.30 = 40,804,938.20/x
  3. Step 3: Cross multiply
    98,318,664.20x = 147,537,045.30 × 40,804,938.20
  4. Step 4: Simplify right side
    98,318,664.20x = 6,020,240,015,677,101
  5. Step 5: Solve for x
    x = 6,020,240,015,677,101/98,318,664.20
  6. Step 6: Final answer
    x = 61,231,914.25

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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.