Home / 315,557,600.95-473,336,394.14-85,526,681.05

Finding the Fourth Proportional to 315,557,600.95, 473,336,394.14 and 85,526,681.05

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Solution

The fourth proportional to 315,557,600.95, 473,336,394.14 and 85,526,681.05 is: 128,290,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,557,600.95 : 473,336,394.14 = 85,526,681.05 : x
  2. Step 2: Convert to fraction form
    315,557,600.95/473,336,394.14 = 85,526,681.05/x
  3. Step 3: Cross multiply
    315,557,600.95x = 473,336,394.14 × 85,526,681.05
  4. Step 4: Simplify right side
    315,557,600.95x = 40,482,890,810,968,864
  5. Step 5: Solve for x
    x = 40,482,890,810,968,864/315,557,600.95
  6. Step 6: Final answer
    x = 128,290,019.60

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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.