Home / 85,774,145.60-128,685,237.60-34,692,046.40

Finding the Fourth Proportional to 85,774,145.60, 128,685,237.60 and 34,692,046.40

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Solution

The fourth proportional to 85,774,145.60, 128,685,237.60 and 34,692,046.40 is: 52,047,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,774,145.60 : 128,685,237.60 = 34,692,046.40 : x
  2. Step 2: Convert to fraction form
    85,774,145.60/128,685,237.60 = 34,692,046.40/x
  3. Step 3: Cross multiply
    85,774,145.60x = 128,685,237.60 × 34,692,046.40
  4. Step 4: Simplify right side
    85,774,145.60x = 4,464,354,233,814,224
  5. Step 5: Solve for x
    x = 4,464,354,233,814,224/85,774,145.60
  6. Step 6: Final answer
    x = 52,047,784.36

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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.