Home / 127,766,999.70-191,650,499.55-91,487,294.10

Finding the Fourth Proportional to 127,766,999.70, 191,650,499.55 and 91,487,294.10

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Solution

The fourth proportional to 127,766,999.70, 191,650,499.55 and 91,487,294.10 is: 137,230,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766,999.70 : 191,650,499.55 = 91,487,294.10 : x
  2. Step 2: Convert to fraction form
    127,766,999.70/191,650,499.55 = 91,487,294.10/x
  3. Step 3: Cross multiply
    127,766,999.70x = 191,650,499.55 × 91,487,294.10
  4. Step 4: Simplify right side
    127,766,999.70x = 17,533,585,616,742,768
  5. Step 5: Solve for x
    x = 17,533,585,616,742,768/127,766,999.70
  6. Step 6: Final answer
    x = 137,230,941.15

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1.5x scale

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.