Home / 99,697,999.56-137,583,429.78-55,044,058.02

Finding the Fourth Proportional to 99,697,999.56, 137,583,429.78 and 55,044,058.02

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Solution

The fourth proportional to 99,697,999.56, 137,583,429.78 and 55,044,058.02 is: 75,960,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,697,999.56 : 137,583,429.78 = 55,044,058.02 : x
  2. Step 2: Convert to fraction form
    99,697,999.56/137,583,429.78 = 55,044,058.02/x
  3. Step 3: Cross multiply
    99,697,999.56x = 137,583,429.78 × 55,044,058.02
  4. Step 4: Simplify right side
    99,697,999.56x = 7,573,150,291,400,916
  5. Step 5: Solve for x
    x = 7,573,150,291,400,916/99,697,999.56
  6. Step 6: Final answer
    x = 75,960,905.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.