Home / 72,046,786.65-99,423,378.63-39,006,771.63

Finding the Fourth Proportional to 72,046,786.65, 99,423,378.63 and 39,006,771.63

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Solution

The fourth proportional to 72,046,786.65, 99,423,378.63 and 39,006,771.63 is: 53,828,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,786.65 : 99,423,378.63 = 39,006,771.63 : x
  2. Step 2: Convert to fraction form
    72,046,786.65/99,423,378.63 = 39,006,771.63/x
  3. Step 3: Cross multiply
    72,046,786.65x = 99,423,378.63 × 39,006,771.63
  4. Step 4: Simplify right side
    72,046,786.65x = 3,878,185,024,903,432.50
  5. Step 5: Solve for x
    x = 3,878,185,024,903,432.50/72,046,786.65
  6. Step 6: Final answer
    x = 53,828,702.23

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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.