Home / 142,054,442.40-213,081,663.60-65,526,938.40

Finding the Fourth Proportional to 142,054,442.40, 213,081,663.60 and 65,526,938.40

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Solution

The fourth proportional to 142,054,442.40, 213,081,663.60 and 65,526,938.40 is: 98,290,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054,442.40 : 213,081,663.60 = 65,526,938.40 : x
  2. Step 2: Convert to fraction form
    142,054,442.40/213,081,663.60 = 65,526,938.40/x
  3. Step 3: Cross multiply
    142,054,442.40x = 213,081,663.60 × 65,526,938.40
  4. Step 4: Simplify right side
    142,054,442.40x = 13,962,589,044,886,722
  5. Step 5: Solve for x
    x = 13,962,589,044,886,722/142,054,442.40
  6. Step 6: Final answer
    x = 98,290,407.60

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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.