Home / 86,056,407.23-129,122,730.18-45,106,114.32

Finding the Fourth Proportional to 86,056,407.23, 129,122,730.18 and 45,106,114.32

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Solution

The fourth proportional to 86,056,407.23, 129,122,730.18 and 45,106,114.32 is: 67,679,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,407.23 : 129,122,730.18 = 45,106,114.32 : x
  2. Step 2: Convert to fraction form
    86,056,407.23/129,122,730.18 = 45,106,114.32/x
  3. Step 3: Cross multiply
    86,056,407.23x = 129,122,730.18 × 45,106,114.32
  4. Step 4: Simplify right side
    86,056,407.23x = 5,824,224,628,809,595
  5. Step 5: Solve for x
    x = 5,824,224,628,809,595/86,056,407.23
  6. Step 6: Final answer
    x = 67,679,151.58

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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.