Home / 77,477,732.10-106,924,104-42,670,413.72

Finding the Fourth Proportional to 77,477,732.10, 106,924,104 and 42,670,413.72

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Solution

The fourth proportional to 77,477,732.10, 106,924,104 and 42,670,413.72 is: 58,887,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477,732.10 : 106,924,104 = 42,670,413.72 : x
  2. Step 2: Convert to fraction form
    77,477,732.10/106,924,104 = 42,670,413.72/x
  3. Step 3: Cross multiply
    77,477,732.10x = 106,924,104 × 42,670,413.72
  4. Step 4: Simplify right side
    77,477,732.10x = 4,562,495,754,320,307
  5. Step 5: Solve for x
    x = 4,562,495,754,320,307/77,477,732.10
  6. Step 6: Final answer
    x = 58,887,833.07

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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.