Home / 70,145,038.21-96,803,526.61-38,782,506.87

Finding the Fourth Proportional to 70,145,038.21, 96,803,526.61 and 38,782,506.87

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Solution

The fourth proportional to 70,145,038.21, 96,803,526.61 and 38,782,506.87 is: 53,521,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145,038.21 : 96,803,526.61 = 38,782,506.87 : x
  2. Step 2: Convert to fraction form
    70,145,038.21/96,803,526.61 = 38,782,506.87/x
  3. Step 3: Cross multiply
    70,145,038.21x = 96,803,526.61 × 38,782,506.87
  4. Step 4: Simplify right side
    70,145,038.21x = 3,754,283,435,792,552.50
  5. Step 5: Solve for x
    x = 3,754,283,435,792,552.50/70,145,038.21
  6. Step 6: Final answer
    x = 53,521,724.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.