Home / 51,148,386.61-76,771,085-31,658,657.90

Finding the Fourth Proportional to 51,148,386.61, 76,771,085 and 31,658,657.90

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Solution

The fourth proportional to 51,148,386.61, 76,771,085 and 31,658,657.90 is: 47,518,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148,386.61 : 76,771,085 = 31,658,657.90 : x
  2. Step 2: Convert to fraction form
    51,148,386.61/76,771,085 = 31,658,657.90/x
  3. Step 3: Cross multiply
    51,148,386.61x = 76,771,085 × 31,658,657.90
  4. Step 4: Simplify right side
    51,148,386.61x = 2,430,469,516,626,821.50
  5. Step 5: Solve for x
    x = 2,430,469,516,626,821.50/51,148,386.61
  6. Step 6: Final answer
    x = 47,518,009.42

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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.