Home / 123,090,779.60-184,636,169.40-117,422,075.60

Finding the Fourth Proportional to 123,090,779.60, 184,636,169.40 and 117,422,075.60

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Solution

The fourth proportional to 123,090,779.60, 184,636,169.40 and 117,422,075.60 is: 176,133,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090,779.60 : 184,636,169.40 = 117,422,075.60 : x
  2. Step 2: Convert to fraction form
    123,090,779.60/184,636,169.40 = 117,422,075.60/x
  3. Step 3: Cross multiply
    123,090,779.60x = 184,636,169.40 × 117,422,075.60
  4. Step 4: Simplify right side
    123,090,779.60x = 21,680,362,241,781,208
  5. Step 5: Solve for x
    x = 21,680,362,241,781,208/123,090,779.60
  6. Step 6: Final answer
    x = 176,133,113.40

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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.