Home / 77,070,618.72-106,360,520.45-42,264,557.46

Finding the Fourth Proportional to 77,070,618.72, 106,360,520.45 and 42,264,557.46

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Solution

The fourth proportional to 77,070,618.72, 106,360,520.45 and 42,264,557.46 is: 58,326,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070,618.72 : 106,360,520.45 = 42,264,557.46 : x
  2. Step 2: Convert to fraction form
    77,070,618.72/106,360,520.45 = 42,264,557.46/x
  3. Step 3: Cross multiply
    77,070,618.72x = 106,360,520.45 × 42,264,557.46
  4. Step 4: Simplify right side
    77,070,618.72x = 4,495,280,327,823,207
  5. Step 5: Solve for x
    x = 4,495,280,327,823,207/77,070,618.72
  6. Step 6: Final answer
    x = 58,326,770.99

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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.