Home / 56,248,196.84-77,621,939.80-31,130,355

Finding the Fourth Proportional to 56,248,196.84, 77,621,939.80 and 31,130,355

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Solution

The fourth proportional to 56,248,196.84, 77,621,939.80 and 31,130,355 is: 42,959,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248,196.84 : 77,621,939.80 = 31,130,355 : x
  2. Step 2: Convert to fraction form
    56,248,196.84/77,621,939.80 = 31,130,355/x
  3. Step 3: Cross multiply
    56,248,196.84x = 77,621,939.80 × 31,130,355
  4. Step 4: Simplify right side
    56,248,196.84x = 2,416,398,541,762,629
  5. Step 5: Solve for x
    x = 2,416,398,541,762,629/56,248,196.84
  6. Step 6: Final answer
    x = 42,959,573.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.