Home / 84,920,569.60-127,191,897.60-69,804,025.60

Finding the Fourth Proportional to 84,920,569.60, 127,191,897.60 and 69,804,025.60

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Solution

The fourth proportional to 84,920,569.60, 127,191,897.60 and 69,804,025.60 is: 104,550,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920,569.60 : 127,191,897.60 = 69,804,025.60 : x
  2. Step 2: Convert to fraction form
    84,920,569.60/127,191,897.60 = 69,804,025.60/x
  3. Step 3: Cross multiply
    84,920,569.60x = 127,191,897.60 × 69,804,025.60
  4. Step 4: Simplify right side
    84,920,569.60x = 8,878,506,476,182,977
  5. Step 5: Solve for x
    x = 8,878,506,476,182,977/84,920,569.60
  6. Step 6: Final answer
    x = 104,550,717.43

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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.