Home / 191,238,081.90-286,857,122.85-61,938,486.60

Finding the Fourth Proportional to 191,238,081.90, 286,857,122.85 and 61,938,486.60

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Solution

The fourth proportional to 191,238,081.90, 286,857,122.85 and 61,938,486.60 is: 92,907,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238,081.90 : 286,857,122.85 = 61,938,486.60 : x
  2. Step 2: Convert to fraction form
    191,238,081.90/286,857,122.85 = 61,938,486.60/x
  3. Step 3: Cross multiply
    191,238,081.90x = 286,857,122.85 × 61,938,486.60
  4. Step 4: Simplify right side
    191,238,081.90x = 17,767,496,059,759,280
  5. Step 5: Solve for x
    x = 17,767,496,059,759,280/191,238,081.90
  6. Step 6: Final answer
    x = 92,907,729.90

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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.