Home / 137,500,459.93-189,717,420.33-87,246,355.39

Finding the Fourth Proportional to 137,500,459.93, 189,717,420.33 and 87,246,355.39

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Solution

The fourth proportional to 137,500,459.93, 189,717,420.33 and 87,246,355.39 is: 120,378,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,500,459.93 : 189,717,420.33 = 87,246,355.39 : x
  2. Step 2: Convert to fraction form
    137,500,459.93/189,717,420.33 = 87,246,355.39/x
  3. Step 3: Cross multiply
    137,500,459.93x = 189,717,420.33 × 87,246,355.39
  4. Step 4: Simplify right side
    137,500,459.93x = 16,552,153,477,785,192
  5. Step 5: Solve for x
    x = 16,552,153,477,785,192/137,500,459.93
  6. Step 6: Final answer
    x = 120,378,895.36

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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.