Home / 42,719,607.45-58,953,341.33-23,140,495.81

Finding the Fourth Proportional to 42,719,607.45, 58,953,341.33 and 23,140,495.81

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Solution

The fourth proportional to 42,719,607.45, 58,953,341.33 and 23,140,495.81 is: 31,934,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,719,607.45 : 58,953,341.33 = 23,140,495.81 : x
  2. Step 2: Convert to fraction form
    42,719,607.45/58,953,341.33 = 23,140,495.81/x
  3. Step 3: Cross multiply
    42,719,607.45x = 58,953,341.33 × 23,140,495.81
  4. Step 4: Simplify right side
    42,719,607.45x = 1,364,209,548,032,364.75
  5. Step 5: Solve for x
    x = 1,364,209,548,032,364.75/42,719,607.45
  6. Step 6: Final answer
    x = 31,934,037.54

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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.