Home / 108,897,787.80-163,346,681.70-98,820,091.80

Finding the Fourth Proportional to 108,897,787.80, 163,346,681.70 and 98,820,091.80

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Solution

The fourth proportional to 108,897,787.80, 163,346,681.70 and 98,820,091.80 is: 148,230,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,897,787.80 : 163,346,681.70 = 98,820,091.80 : x
  2. Step 2: Convert to fraction form
    108,897,787.80/163,346,681.70 = 98,820,091.80/x
  3. Step 3: Cross multiply
    108,897,787.80x = 163,346,681.70 × 98,820,091.80
  4. Step 4: Simplify right side
    108,897,787.80x = 16,141,934,080,819,378
  5. Step 5: Solve for x
    x = 16,141,934,080,819,378/108,897,787.80
  6. Step 6: Final answer
    x = 148,230,137.70

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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.