Home / 127,489,733.40-191,234,600.10-124,655,381.40

Finding the Fourth Proportional to 127,489,733.40, 191,234,600.10 and 124,655,381.40

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Solution

The fourth proportional to 127,489,733.40, 191,234,600.10 and 124,655,381.40 is: 186,983,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489,733.40 : 191,234,600.10 = 124,655,381.40 : x
  2. Step 2: Convert to fraction form
    127,489,733.40/191,234,600.10 = 124,655,381.40/x
  3. Step 3: Cross multiply
    127,489,733.40x = 191,234,600.10 × 124,655,381.40
  4. Step 4: Simplify right side
    127,489,733.40x = 23,838,422,012,341,980
  5. Step 5: Solve for x
    x = 23,838,422,012,341,980/127,489,733.40
  6. Step 6: Final answer
    x = 186,983,072.10

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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.