Home / 70,683,392.40-105,875,789.40-58,739,456.40

Finding the Fourth Proportional to 70,683,392.40, 105,875,789.40 and 58,739,456.40

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Solution

The fourth proportional to 70,683,392.40, 105,875,789.40 and 58,739,456.40 is: 87,985,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683,392.40 : 105,875,789.40 = 58,739,456.40 : x
  2. Step 2: Convert to fraction form
    70,683,392.40/105,875,789.40 = 58,739,456.40/x
  3. Step 3: Cross multiply
    70,683,392.40x = 105,875,789.40 × 58,739,456.40
  4. Step 4: Simplify right side
    70,683,392.40x = 6,219,086,315,276,882
  5. Step 5: Solve for x
    x = 6,219,086,315,276,882/70,683,392.40
  6. Step 6: Final answer
    x = 87,985,113.68

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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.