Home / 51,601,578.19-71,209,256.86-28,079,312.75

Finding the Fourth Proportional to 51,601,578.19, 71,209,256.86 and 28,079,312.75

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Solution

The fourth proportional to 51,601,578.19, 71,209,256.86 and 28,079,312.75 is: 38,748,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601,578.19 : 71,209,256.86 = 28,079,312.75 : x
  2. Step 2: Convert to fraction form
    51,601,578.19/71,209,256.86 = 28,079,312.75/x
  3. Step 3: Cross multiply
    51,601,578.19x = 71,209,256.86 × 28,079,312.75
  4. Step 4: Simplify right side
    51,601,578.19x = 1,999,506,994,013,110.50
  5. Step 5: Solve for x
    x = 1,999,506,994,013,110.50/51,601,578.19
  6. Step 6: Final answer
    x = 38,748,950.41

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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.