Home / 127,746,237.52-191,619,360.06-40,316,615.20

Finding the Fourth Proportional to 127,746,237.52, 191,619,360.06 and 40,316,615.20

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Solution

The fourth proportional to 127,746,237.52, 191,619,360.06 and 40,316,615.20 is: 60,474,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,237.52 : 191,619,360.06 = 40,316,615.20 : x
  2. Step 2: Convert to fraction form
    127,746,237.52/191,619,360.06 = 40,316,615.20/x
  3. Step 3: Cross multiply
    127,746,237.52x = 191,619,360.06 × 40,316,615.20
  4. Step 4: Simplify right side
    127,746,237.52x = 7,725,444,004,409,270
  5. Step 5: Solve for x
    x = 7,725,444,004,409,270/127,746,237.52
  6. Step 6: Final answer
    x = 60,474,923.99

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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.