Home / 78,736,532.80-118,230,770.40-59,588,910.40

Finding the Fourth Proportional to 78,736,532.80, 118,230,770.40 and 59,588,910.40

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Solution

The fourth proportional to 78,736,532.80, 118,230,770.40 and 59,588,910.40 is: 89,478,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,736,532.80 : 118,230,770.40 = 59,588,910.40 : x
  2. Step 2: Convert to fraction form
    78,736,532.80/118,230,770.40 = 59,588,910.40/x
  3. Step 3: Cross multiply
    78,736,532.80x = 118,230,770.40 × 59,588,910.40
  4. Step 4: Simplify right side
    78,736,532.80x = 7,045,242,783,888,572
  5. Step 5: Solve for x
    x = 7,045,242,783,888,572/78,736,532.80
  6. Step 6: Final answer
    x = 89,478,702.37

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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.