Home / 103,143,374.57-154,533,449.12-96,999,126.45

Finding the Fourth Proportional to 103,143,374.57, 154,533,449.12 and 96,999,126.45

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Solution

The fourth proportional to 103,143,374.57, 154,533,449.12 and 96,999,126.45 is: 145,327,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,143,374.57 : 154,533,449.12 = 96,999,126.45 : x
  2. Step 2: Convert to fraction form
    103,143,374.57/154,533,449.12 = 96,999,126.45/x
  3. Step 3: Cross multiply
    103,143,374.57x = 154,533,449.12 × 96,999,126.45
  4. Step 4: Simplify right side
    103,143,374.57x = 14,989,609,571,460,526
  5. Step 5: Solve for x
    x = 14,989,609,571,460,526/103,143,374.57
  6. Step 6: Final answer
    x = 145,327,895.61

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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.