Home / 291,050,587.20-436,626,316.80-118,621,208.64

Finding the Fourth Proportional to 291,050,587.20, 436,626,316.80 and 118,621,208.64

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Solution

The fourth proportional to 291,050,587.20, 436,626,316.80 and 118,621,208.64 is: 177,952,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,050,587.20 : 436,626,316.80 = 118,621,208.64 : x
  2. Step 2: Convert to fraction form
    291,050,587.20/436,626,316.80 = 118,621,208.64/x
  3. Step 3: Cross multiply
    291,050,587.20x = 436,626,316.80 × 118,621,208.64
  4. Step 4: Simplify right side
    291,050,587.20x = 51,793,141,422,847,536
  5. Step 5: Solve for x
    x = 51,793,141,422,847,536/291,050,587.20
  6. Step 6: Final answer
    x = 177,952,368.77

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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.