Home / 97,115,783.70-145,655,013.15-28,960,698.90

Finding the Fourth Proportional to 97,115,783.70, 145,655,013.15 and 28,960,698.90

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Solution

The fourth proportional to 97,115,783.70, 145,655,013.15 and 28,960,698.90 is: 43,435,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,783.70 : 145,655,013.15 = 28,960,698.90 : x
  2. Step 2: Convert to fraction form
    97,115,783.70/145,655,013.15 = 28,960,698.90/x
  3. Step 3: Cross multiply
    97,115,783.70x = 145,655,013.15 × 28,960,698.90
  4. Step 4: Simplify right side
    97,115,783.70x = 4,218,270,979,112,690.50
  5. Step 5: Solve for x
    x = 4,218,270,979,112,690.50/97,115,783.70
  6. Step 6: Final answer
    x = 43,435,483.07

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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.