Home / 103,340,579.40-155,010,869.10-92,818,047.60

Finding the Fourth Proportional to 103,340,579.40, 155,010,869.10 and 92,818,047.60

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Solution

The fourth proportional to 103,340,579.40, 155,010,869.10 and 92,818,047.60 is: 139,227,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340,579.40 : 155,010,869.10 = 92,818,047.60 : x
  2. Step 2: Convert to fraction form
    103,340,579.40/155,010,869.10 = 92,818,047.60/x
  3. Step 3: Cross multiply
    103,340,579.40x = 155,010,869.10 × 92,818,047.60
  4. Step 4: Simplify right side
    103,340,579.40x = 14,387,806,226,641,168
  5. Step 5: Solve for x
    x = 14,387,806,226,641,168/103,340,579.40
  6. Step 6: Final answer
    x = 139,227,071.40

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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.