Home / 117,879,688.77-161,495,749.77-113,461,584.64

Finding the Fourth Proportional to 117,879,688.77, 161,495,749.77 and 113,461,584.64

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Solution

The fourth proportional to 117,879,688.77, 161,495,749.77 and 113,461,584.64 is: 155,442,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,879,688.77 : 161,495,749.77 = 113,461,584.64 : x
  2. Step 2: Convert to fraction form
    117,879,688.77/161,495,749.77 = 113,461,584.64/x
  3. Step 3: Cross multiply
    117,879,688.77x = 161,495,749.77 × 113,461,584.64
  4. Step 4: Simplify right side
    117,879,688.77x = 18,323,563,681,812,772
  5. Step 5: Solve for x
    x = 18,323,563,681,812,772/117,879,688.77
  6. Step 6: Final answer
    x = 155,442,925.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.