Home / 102,563,454.40-153,845,181.60-30,759,870.40

Finding the Fourth Proportional to 102,563,454.40, 153,845,181.60 and 30,759,870.40

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Solution

The fourth proportional to 102,563,454.40, 153,845,181.60 and 30,759,870.40 is: 46,139,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,563,454.40 : 153,845,181.60 = 30,759,870.40 : x
  2. Step 2: Convert to fraction form
    102,563,454.40/153,845,181.60 = 30,759,870.40/x
  3. Step 3: Cross multiply
    102,563,454.40x = 153,845,181.60 × 30,759,870.40
  4. Step 4: Simplify right side
    102,563,454.40x = 4,732,257,847,680,464
  5. Step 5: Solve for x
    x = 4,732,257,847,680,464/102,563,454.40
  6. Step 6: Final answer
    x = 46,139,805.60

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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.