Home / 97,115,784.20-145,655,013.90-28,960,699.40

Finding the Fourth Proportional to 97,115,784.20, 145,655,013.90 and 28,960,699.40

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Solution

The fourth proportional to 97,115,784.20, 145,655,013.90 and 28,960,699.40 is: 43,435,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,784.20 : 145,655,013.90 = 28,960,699.40 : x
  2. Step 2: Convert to fraction form
    97,115,784.20/145,655,013.90 = 28,960,699.40/x
  3. Step 3: Cross multiply
    97,115,784.20x = 145,655,013.90 × 28,960,699.40
  4. Step 4: Simplify right side
    97,115,784.20x = 4,218,271,073,660,721.50
  5. Step 5: Solve for x
    x = 4,218,271,073,660,721.50/97,115,784.20
  6. Step 6: Final answer
    x = 43,435,483.82

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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.