Home / 149,232,115.80-205,940,746.35-86,520,401.10

Finding the Fourth Proportional to 149,232,115.80, 205,940,746.35 and 86,520,401.10

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Solution

The fourth proportional to 149,232,115.80, 205,940,746.35 and 86,520,401.10 is: 119,398,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,232,115.80 : 205,940,746.35 = 86,520,401.10 : x
  2. Step 2: Convert to fraction form
    149,232,115.80/205,940,746.35 = 86,520,401.10/x
  3. Step 3: Cross multiply
    149,232,115.80x = 205,940,746.35 × 86,520,401.10
  4. Step 4: Simplify right side
    149,232,115.80x = 17,818,075,977,035,360
  5. Step 5: Solve for x
    x = 17,818,075,977,035,360/149,232,115.80
  6. Step 6: Final answer
    x = 119,398,400.82

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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.