Home / 124,856,543.60-187,158,844.20-56,748,114.80

Finding the Fourth Proportional to 124,856,543.60, 187,158,844.20 and 56,748,114.80

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Solution

The fourth proportional to 124,856,543.60, 187,158,844.20 and 56,748,114.80 is: 85,064,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,856,543.60 : 187,158,844.20 = 56,748,114.80 : x
  2. Step 2: Convert to fraction form
    124,856,543.60/187,158,844.20 = 56,748,114.80/x
  3. Step 3: Cross multiply
    124,856,543.60x = 187,158,844.20 × 56,748,114.80
  4. Step 4: Simplify right side
    124,856,543.60x = 10,620,911,576,496,912
  5. Step 5: Solve for x
    x = 10,620,911,576,496,912/124,856,543.60
  6. Step 6: Final answer
    x = 85,064,917.47

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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.