Home / 72,048,651,266.16-107,920,939,305.42-57,806,509,057.20

Finding the Fourth Proportional to 72,048,651,266.16, 107,920,939,305.42 and 57,806,509,057.20

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Solution

The fourth proportional to 72,048,651,266.16, 107,920,939,305.42 and 57,806,509,057.20 is: 86,587,779,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048,651,266.16 : 107,920,939,305.42 = 57,806,509,057.20 : x
  2. Step 2: Convert to fraction form
    72,048,651,266.16/107,920,939,305.42 = 57,806,509,057.20/x
  3. Step 3: Cross multiply
    72,048,651,266.16x = 107,920,939,305.42 × 57,806,509,057.20
  4. Step 4: Simplify right side
    72,048,651,266.16x = 6,238,532,755,420,291,792,896
  5. Step 5: Solve for x
    x = 6,238,532,755,420,291,792,896/72,048,651,266.16
  6. Step 6: Final answer
    x = 86,587,779,865.22

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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.