Home / 127,483,974.60-191,225,961.90-99,742,754.40

Finding the Fourth Proportional to 127,483,974.60, 191,225,961.90 and 99,742,754.40

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Solution

The fourth proportional to 127,483,974.60, 191,225,961.90 and 99,742,754.40 is: 149,614,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,483,974.60 : 191,225,961.90 = 99,742,754.40 : x
  2. Step 2: Convert to fraction form
    127,483,974.60/191,225,961.90 = 99,742,754.40/x
  3. Step 3: Cross multiply
    127,483,974.60x = 191,225,961.90 × 99,742,754.40
  4. Step 4: Simplify right side
    127,483,974.60x = 19,073,404,152,695,460
  5. Step 5: Solve for x
    x = 19,073,404,152,695,460/127,483,974.60
  6. Step 6: Final answer
    x = 149,614,131.60

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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.