Home / 74,692,362.40-112,038,543.60-61,937,778.40

Finding the Fourth Proportional to 74,692,362.40, 112,038,543.60 and 61,937,778.40

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Solution

The fourth proportional to 74,692,362.40, 112,038,543.60 and 61,937,778.40 is: 92,906,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692,362.40 : 112,038,543.60 = 61,937,778.40 : x
  2. Step 2: Convert to fraction form
    74,692,362.40/112,038,543.60 = 61,937,778.40/x
  3. Step 3: Cross multiply
    74,692,362.40x = 112,038,543.60 × 61,937,778.40
  4. Step 4: Simplify right side
    74,692,362.40x = 6,939,418,485,755,538
  5. Step 5: Solve for x
    x = 6,939,418,485,755,538/74,692,362.40
  6. Step 6: Final answer
    x = 92,906,667.60

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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.