Home / 76,408,126.04-105,445,808.58-42,923,518.83

Finding the Fourth Proportional to 76,408,126.04, 105,445,808.58 and 42,923,518.83

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Solution

The fourth proportional to 76,408,126.04, 105,445,808.58 and 42,923,518.83 is: 59,235,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,408,126.04 : 105,445,808.58 = 42,923,518.83 : x
  2. Step 2: Convert to fraction form
    76,408,126.04/105,445,808.58 = 42,923,518.83/x
  3. Step 3: Cross multiply
    76,408,126.04x = 105,445,808.58 × 42,923,518.83
  4. Step 4: Simplify right side
    76,408,126.04x = 4,526,105,150,128,205
  5. Step 5: Solve for x
    x = 4,526,105,150,128,205/76,408,126.04
  6. Step 6: Final answer
    x = 59,235,913.57

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1.5x scale

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.