Home / 258,804,858.24-357,196,836.96-152,953,952.40

Finding the Fourth Proportional to 258,804,858.24, 357,196,836.96 and 152,953,952.40

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Solution

The fourth proportional to 258,804,858.24, 357,196,836.96 and 152,953,952.40 is: 211,103,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,804,858.24 : 357,196,836.96 = 152,953,952.40 : x
  2. Step 2: Convert to fraction form
    258,804,858.24/357,196,836.96 = 152,953,952.40/x
  3. Step 3: Cross multiply
    258,804,858.24x = 357,196,836.96 × 152,953,952.40
  4. Step 4: Simplify right side
    258,804,858.24x = 54,634,667,997,810,400
  5. Step 5: Solve for x
    x = 54,634,667,997,810,400/258,804,858.24
  6. Step 6: Final answer
    x = 211,103,718.72

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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.