Home / 51,607,127.10-77,410,690.65-31,199,792.70

Finding the Fourth Proportional to 51,607,127.10, 77,410,690.65 and 31,199,792.70

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Solution

The fourth proportional to 51,607,127.10, 77,410,690.65 and 31,199,792.70 is: 46,799,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607,127.10 : 77,410,690.65 = 31,199,792.70 : x
  2. Step 2: Convert to fraction form
    51,607,127.10/77,410,690.65 = 31,199,792.70/x
  3. Step 3: Cross multiply
    51,607,127.10x = 77,410,690.65 × 31,199,792.70
  4. Step 4: Simplify right side
    51,607,127.10x = 2,415,197,501,043,828.50
  5. Step 5: Solve for x
    x = 2,415,197,501,043,828.50/51,607,127.10
  6. Step 6: Final answer
    x = 46,799,689.05

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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.