Home / 74,871,813.60-112,307,720.40-71,092,677.60

Finding the Fourth Proportional to 74,871,813.60, 112,307,720.40 and 71,092,677.60

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Solution

The fourth proportional to 74,871,813.60, 112,307,720.40 and 71,092,677.60 is: 106,639,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,813.60 : 112,307,720.40 = 71,092,677.60 : x
  2. Step 2: Convert to fraction form
    74,871,813.60/112,307,720.40 = 71,092,677.60/x
  3. Step 3: Cross multiply
    74,871,813.60x = 112,307,720.40 × 71,092,677.60
  4. Step 4: Simplify right side
    74,871,813.60x = 7,984,256,558,388,143
  5. Step 5: Solve for x
    x = 7,984,256,558,388,143/74,871,813.60
  6. Step 6: Final answer
    x = 106,639,016.40

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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.