Home / 86,968,817.58-130,515,465.66-31,636,545.60

Finding the Fourth Proportional to 86,968,817.58, 130,515,465.66 and 31,636,545.60

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Solution

The fourth proportional to 86,968,817.58, 130,515,465.66 and 31,636,545.60 is: 47,477,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968,817.58 : 130,515,465.66 = 31,636,545.60 : x
  2. Step 2: Convert to fraction form
    86,968,817.58/130,515,465.66 = 31,636,545.60/x
  3. Step 3: Cross multiply
    86,968,817.58x = 130,515,465.66 × 31,636,545.60
  4. Step 4: Simplify right side
    86,968,817.58x = 4,129,058,480,857,824
  5. Step 5: Solve for x
    x = 4,129,058,480,857,824/86,968,817.58
  6. Step 6: Final answer
    x = 47,477,459.11

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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.