Home / 142,054,220.40-213,081,330.60-65,526,716.40

Finding the Fourth Proportional to 142,054,220.40, 213,081,330.60 and 65,526,716.40

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Solution

The fourth proportional to 142,054,220.40, 213,081,330.60 and 65,526,716.40 is: 98,290,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054,220.40 : 213,081,330.60 = 65,526,716.40 : x
  2. Step 2: Convert to fraction form
    142,054,220.40/213,081,330.60 = 65,526,716.40/x
  3. Step 3: Cross multiply
    142,054,220.40x = 213,081,330.60 × 65,526,716.40
  4. Step 4: Simplify right side
    142,054,220.40x = 13,962,519,920,360,842
  5. Step 5: Solve for x
    x = 13,962,519,920,360,842/142,054,220.40
  6. Step 6: Final answer
    x = 98,290,074.60

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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.