Home / 66,424,603.10-99,318,040.05-49,205,914.70

Finding the Fourth Proportional to 66,424,603.10, 99,318,040.05 and 49,205,914.70

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Solution

The fourth proportional to 66,424,603.10, 99,318,040.05 and 49,205,914.70 is: 73,572,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,603.10 : 99,318,040.05 = 49,205,914.70 : x
  2. Step 2: Convert to fraction form
    66,424,603.10/99,318,040.05 = 49,205,914.70/x
  3. Step 3: Cross multiply
    66,424,603.10x = 99,318,040.05 × 49,205,914.70
  4. Step 4: Simplify right side
    66,424,603.10x = 4,887,035,006,871,484
  5. Step 5: Solve for x
    x = 4,887,035,006,871,484/66,424,603.10
  6. Step 6: Final answer
    x = 73,572,664.03

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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.