Home / 66,430,511.70-99,645,767.55-59,712,047.70

Finding the Fourth Proportional to 66,430,511.70, 99,645,767.55 and 59,712,047.70

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Solution

The fourth proportional to 66,430,511.70, 99,645,767.55 and 59,712,047.70 is: 89,568,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,511.70 : 99,645,767.55 = 59,712,047.70 : x
  2. Step 2: Convert to fraction form
    66,430,511.70/99,645,767.55 = 59,712,047.70/x
  3. Step 3: Cross multiply
    66,430,511.70x = 99,645,767.55 × 59,712,047.70
  4. Step 4: Simplify right side
    66,430,511.70x = 5,950,052,825,048,712
  5. Step 5: Solve for x
    x = 5,950,052,825,048,712/66,430,511.70
  6. Step 6: Final answer
    x = 89,568,071.55

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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.