Home / 70,683,378.40-105,875,768.40-58,739,442.40

Finding the Fourth Proportional to 70,683,378.40, 105,875,768.40 and 58,739,442.40

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Solution

The fourth proportional to 70,683,378.40, 105,875,768.40 and 58,739,442.40 is: 87,985,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683,378.40 : 105,875,768.40 = 58,739,442.40 : x
  2. Step 2: Convert to fraction form
    70,683,378.40/105,875,768.40 = 58,739,442.40/x
  3. Step 3: Cross multiply
    70,683,378.40x = 105,875,768.40 × 58,739,442.40
  4. Step 4: Simplify right side
    70,683,378.40x = 6,219,083,599,487,540
  5. Step 5: Solve for x
    x = 6,219,083,599,487,540/70,683,378.40
  6. Step 6: Final answer
    x = 87,985,092.68

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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.