Home / 56,877,655.41-78,571,518.35-45,260,355.15

Finding the Fourth Proportional to 56,877,655.41, 78,571,518.35 and 45,260,355.15

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Solution

The fourth proportional to 56,877,655.41, 78,571,518.35 and 45,260,355.15 is: 62,523,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,877,655.41 : 78,571,518.35 = 45,260,355.15 : x
  2. Step 2: Convert to fraction form
    56,877,655.41/78,571,518.35 = 45,260,355.15/x
  3. Step 3: Cross multiply
    56,877,655.41x = 78,571,518.35 × 45,260,355.15
  4. Step 4: Simplify right side
    56,877,655.41x = 3,556,174,824,969,440
  5. Step 5: Solve for x
    x = 3,556,174,824,969,440/56,877,655.41
  6. Step 6: Final answer
    x = 62,523,231.65

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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.