Home / 127,489,688.40-191,234,532.60-124,655,336.40

Finding the Fourth Proportional to 127,489,688.40, 191,234,532.60 and 124,655,336.40

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Solution

The fourth proportional to 127,489,688.40, 191,234,532.60 and 124,655,336.40 is: 186,983,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489,688.40 : 191,234,532.60 = 124,655,336.40 : x
  2. Step 2: Convert to fraction form
    127,489,688.40/191,234,532.60 = 124,655,336.40/x
  3. Step 3: Cross multiply
    127,489,688.40x = 191,234,532.60 × 124,655,336.40
  4. Step 4: Simplify right side
    127,489,688.40x = 23,838,404,992,549,768
  5. Step 5: Solve for x
    x = 23,838,404,992,549,768/127,489,688.40
  6. Step 6: Final answer
    x = 186,983,004.60

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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.