Home / 72,311,284.95-108,423,218.88-29,130,055.26

Finding the Fourth Proportional to 72,311,284.95, 108,423,218.88 and 29,130,055.26

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Solution

The fourth proportional to 72,311,284.95, 108,423,218.88 and 29,130,055.26 is: 43,677,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,284.95 : 108,423,218.88 = 29,130,055.26 : x
  2. Step 2: Convert to fraction form
    72,311,284.95/108,423,218.88 = 29,130,055.26/x
  3. Step 3: Cross multiply
    72,311,284.95x = 108,423,218.88 × 29,130,055.26
  4. Step 4: Simplify right side
    72,311,284.95x = 3,158,374,357,441,475.50
  5. Step 5: Solve for x
    x = 3,158,374,357,441,475.50/72,311,284.95
  6. Step 6: Final answer
    x = 43,677,475.23

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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.