Home / 76,194,417.16-105,157,018.51-42,712,939.24

Finding the Fourth Proportional to 76,194,417.16, 105,157,018.51 and 42,712,939.24

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Solution

The fourth proportional to 76,194,417.16, 105,157,018.51 and 42,712,939.24 is: 58,948,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,194,417.16 : 105,157,018.51 = 42,712,939.24 : x
  2. Step 2: Convert to fraction form
    76,194,417.16/105,157,018.51 = 42,712,939.24/x
  3. Step 3: Cross multiply
    76,194,417.16x = 105,157,018.51 × 42,712,939.24
  4. Step 4: Simplify right side
    76,194,417.16x = 4,491,565,342,277,186
  5. Step 5: Solve for x
    x = 4,491,565,342,277,186/76,194,417.16
  6. Step 6: Final answer
    x = 58,948,745.98

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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.