Home / 127,670,406.60-191,505,609.90-88,703,315.40

Finding the Fourth Proportional to 127,670,406.60, 191,505,609.90 and 88,703,315.40

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Solution

The fourth proportional to 127,670,406.60, 191,505,609.90 and 88,703,315.40 is: 133,054,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670,406.60 : 191,505,609.90 = 88,703,315.40 : x
  2. Step 2: Convert to fraction form
    127,670,406.60/191,505,609.90 = 88,703,315.40/x
  3. Step 3: Cross multiply
    127,670,406.60x = 191,505,609.90 × 88,703,315.40
  4. Step 4: Simplify right side
    127,670,406.60x = 16,987,182,515,829,064
  5. Step 5: Solve for x
    x = 16,987,182,515,829,064/127,670,406.60
  6. Step 6: Final answer
    x = 133,054,973.10

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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.