Home / 85,693,701.10-128,500,030.40-33,195,960.05

Finding the Fourth Proportional to 85,693,701.10, 128,500,030.40 and 33,195,960.05

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Solution

The fourth proportional to 85,693,701.10, 128,500,030.40 and 33,195,960.05 is: 49,778,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693,701.10 : 128,500,030.40 = 33,195,960.05 : x
  2. Step 2: Convert to fraction form
    85,693,701.10/128,500,030.40 = 33,195,960.05/x
  3. Step 3: Cross multiply
    85,693,701.10x = 128,500,030.40 × 33,195,960.05
  4. Step 4: Simplify right side
    85,693,701.10x = 4,265,681,875,737,455.50
  5. Step 5: Solve for x
    x = 4,265,681,875,737,455.50/85,693,701.10
  6. Step 6: Final answer
    x = 49,778,242.99

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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.