Home / 218,700,075.60-328,097,352.60-65,361,632.40

Finding the Fourth Proportional to 218,700,075.60, 328,097,352.60 and 65,361,632.40

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Solution

The fourth proportional to 218,700,075.60, 328,097,352.60 and 65,361,632.40 is: 98,056,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,700,075.60 : 328,097,352.60 = 65,361,632.40 : x
  2. Step 2: Convert to fraction form
    218,700,075.60/328,097,352.60 = 65,361,632.40/x
  3. Step 3: Cross multiply
    218,700,075.60x = 328,097,352.60 × 65,361,632.40
  4. Step 4: Simplify right side
    218,700,075.60x = 21,444,978,552,054,384
  5. Step 5: Solve for x
    x = 21,444,978,552,054,384/218,700,075.60
  6. Step 6: Final answer
    x = 98,056,566.71

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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.