Home / 103,099,438.74-142,276,225.15-56,056,511.54

Finding the Fourth Proportional to 103,099,438.74, 142,276,225.15 and 56,056,511.54

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Solution

The fourth proportional to 103,099,438.74, 142,276,225.15 and 56,056,511.54 is: 77,357,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,099,438.74 : 142,276,225.15 = 56,056,511.54 : x
  2. Step 2: Convert to fraction form
    103,099,438.74/142,276,225.15 = 56,056,511.54/x
  3. Step 3: Cross multiply
    103,099,438.74x = 142,276,225.15 × 56,056,511.54
  4. Step 4: Simplify right side
    103,099,438.74x = 7,975,508,856,988,613
  5. Step 5: Solve for x
    x = 7,975,508,856,988,613/103,099,438.74
  6. Step 6: Final answer
    x = 77,357,442.05

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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.