Home / 101,369,156.36-139,892,386.20-57,315,208.88

Finding the Fourth Proportional to 101,369,156.36, 139,892,386.20 and 57,315,208.88

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Solution

The fourth proportional to 101,369,156.36, 139,892,386.20 and 57,315,208.88 is: 79,096,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369,156.36 : 139,892,386.20 = 57,315,208.88 : x
  2. Step 2: Convert to fraction form
    101,369,156.36/139,892,386.20 = 57,315,208.88/x
  3. Step 3: Cross multiply
    101,369,156.36x = 139,892,386.20 × 57,315,208.88
  4. Step 4: Simplify right side
    101,369,156.36x = 8,017,961,335,774,629
  5. Step 5: Solve for x
    x = 8,017,961,335,774,629/101,369,156.36
  6. Step 6: Final answer
    x = 79,096,656.46

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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.