Home / 286,046,029.36-429,072,980.58-81,574,126.48

Finding the Fourth Proportional to 286,046,029.36, 429,072,980.58 and 81,574,126.48

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Solution

The fourth proportional to 286,046,029.36, 429,072,980.58 and 81,574,126.48 is: 122,362,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,046,029.36 : 429,072,980.58 = 81,574,126.48 : x
  2. Step 2: Convert to fraction form
    286,046,029.36/429,072,980.58 = 81,574,126.48/x
  3. Step 3: Cross multiply
    286,046,029.36x = 429,072,980.58 × 81,574,126.48
  4. Step 4: Simplify right side
    286,046,029.36x = 35,001,253,586,983,504
  5. Step 5: Solve for x
    x = 35,001,253,586,983,504/286,046,029.36
  6. Step 6: Final answer
    x = 122,362,312.34

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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.