Home / 127,747,314.30-191,620,971.45-70,209,968.70

Finding the Fourth Proportional to 127,747,314.30, 191,620,971.45 and 70,209,968.70

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Solution

The fourth proportional to 127,747,314.30, 191,620,971.45 and 70,209,968.70 is: 105,314,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,747,314.30 : 191,620,971.45 = 70,209,968.70 : x
  2. Step 2: Convert to fraction form
    127,747,314.30/191,620,971.45 = 70,209,968.70/x
  3. Step 3: Cross multiply
    127,747,314.30x = 191,620,971.45 × 70,209,968.70
  4. Step 4: Simplify right side
    127,747,314.30x = 13,453,702,407,768,094
  5. Step 5: Solve for x
    x = 13,453,702,407,768,094/127,747,314.30
  6. Step 6: Final answer
    x = 105,314,953.05

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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.