Home / 142,054,476.90-213,081,715.35-65,526,972.90

Finding the Fourth Proportional to 142,054,476.90, 213,081,715.35 and 65,526,972.90

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Solution

The fourth proportional to 142,054,476.90, 213,081,715.35 and 65,526,972.90 is: 98,290,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054,476.90 : 213,081,715.35 = 65,526,972.90 : x
  2. Step 2: Convert to fraction form
    142,054,476.90/213,081,715.35 = 65,526,972.90/x
  3. Step 3: Cross multiply
    142,054,476.90x = 213,081,715.35 × 65,526,972.90
  4. Step 4: Simplify right side
    142,054,476.90x = 13,962,599,787,224,964
  5. Step 5: Solve for x
    x = 13,962,599,787,224,964/142,054,476.90
  6. Step 6: Final answer
    x = 98,290,459.35

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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.