Home / 86,851,347.86-130,281,211.53-28,557,735.26

Finding the Fourth Proportional to 86,851,347.86, 130,281,211.53 and 28,557,735.26

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Solution

The fourth proportional to 86,851,347.86, 130,281,211.53 and 28,557,735.26 is: 42,837,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,347.86 : 130,281,211.53 = 28,557,735.26 : x
  2. Step 2: Convert to fraction form
    86,851,347.86/130,281,211.53 = 28,557,735.26/x
  3. Step 3: Cross multiply
    86,851,347.86x = 130,281,211.53 × 28,557,735.26
  4. Step 4: Simplify right side
    86,851,347.86x = 3,720,536,347,574,393.50
  5. Step 5: Solve for x
    x = 3,720,536,347,574,393.50/86,851,347.86
  6. Step 6: Final answer
    x = 42,837,980.52

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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.