Home / 142,054,473.40-213,081,710.10-65,526,969.40

Finding the Fourth Proportional to 142,054,473.40, 213,081,710.10 and 65,526,969.40

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Solution

The fourth proportional to 142,054,473.40, 213,081,710.10 and 65,526,969.40 is: 98,290,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054,473.40 : 213,081,710.10 = 65,526,969.40 : x
  2. Step 2: Convert to fraction form
    142,054,473.40/213,081,710.10 = 65,526,969.40/x
  3. Step 3: Cross multiply
    142,054,473.40x = 213,081,710.10 × 65,526,969.40
  4. Step 4: Simplify right side
    142,054,473.40x = 13,962,598,697,422,370
  5. Step 5: Solve for x
    x = 13,962,598,697,422,370/142,054,473.40
  6. Step 6: Final answer
    x = 98,290,454.10

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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.