Home / 112,314,686.16-154,995,292.44-65,905,713.36

Finding the Fourth Proportional to 112,314,686.16, 154,995,292.44 and 65,905,713.36

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Solution

The fourth proportional to 112,314,686.16, 154,995,292.44 and 65,905,713.36 is: 90,950,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,314,686.16 : 154,995,292.44 = 65,905,713.36 : x
  2. Step 2: Convert to fraction form
    112,314,686.16/154,995,292.44 = 65,905,713.36/x
  3. Step 3: Cross multiply
    112,314,686.16x = 154,995,292.44 × 65,905,713.36
  4. Step 4: Simplify right side
    112,314,686.16x = 10,215,075,315,700,014
  5. Step 5: Solve for x
    x = 10,215,075,315,700,014/112,314,686.16
  6. Step 6: Final answer
    x = 90,950,486.22

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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.