Home / 86,980,341.60-130,554,493.20-52,968,117.60

Finding the Fourth Proportional to 86,980,341.60, 130,554,493.20 and 52,968,117.60

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Solution

The fourth proportional to 86,980,341.60, 130,554,493.20 and 52,968,117.60 is: 79,503,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,980,341.60 : 130,554,493.20 = 52,968,117.60 : x
  2. Step 2: Convert to fraction form
    86,980,341.60/130,554,493.20 = 52,968,117.60/x
  3. Step 3: Cross multiply
    86,980,341.60x = 130,554,493.20 × 52,968,117.60
  4. Step 4: Simplify right side
    86,980,341.60x = 6,915,225,749,026,001
  5. Step 5: Solve for x
    x = 6,915,225,749,026,001/86,980,341.60
  6. Step 6: Final answer
    x = 79,503,317.90

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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.