Home / 74,276,877.60-111,415,316.40-55,145,001.60

Finding the Fourth Proportional to 74,276,877.60, 111,415,316.40 and 55,145,001.60

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Solution

The fourth proportional to 74,276,877.60, 111,415,316.40 and 55,145,001.60 is: 82,717,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276,877.60 : 111,415,316.40 = 55,145,001.60 : x
  2. Step 2: Convert to fraction form
    74,276,877.60/111,415,316.40 = 55,145,001.60/x
  3. Step 3: Cross multiply
    74,276,877.60x = 111,415,316.40 × 55,145,001.60
  4. Step 4: Simplify right side
    74,276,877.60x = 6,143,997,801,142,507
  5. Step 5: Solve for x
    x = 6,143,997,801,142,507/74,276,877.60
  6. Step 6: Final answer
    x = 82,717,502.40

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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.