Home / 286,170,032.80-429,311,036.40-122,407,472.80

Finding the Fourth Proportional to 286,170,032.80, 429,311,036.40 and 122,407,472.80

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Solution

The fourth proportional to 286,170,032.80, 429,311,036.40 and 122,407,472.80 is: 183,635,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,170,032.80 : 429,311,036.40 = 122,407,472.80 : x
  2. Step 2: Convert to fraction form
    286,170,032.80/429,311,036.40 = 122,407,472.80/x
  3. Step 3: Cross multiply
    286,170,032.80x = 429,311,036.40 × 122,407,472.80
  4. Step 4: Simplify right side
    286,170,032.80x = 52,550,879,010,872,808
  5. Step 5: Solve for x
    x = 52,550,879,010,872,808/286,170,032.80
  6. Step 6: Final answer
    x = 183,635,157.38

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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.