Home / 60,429,534.40-90,634,678.80-20,040,018.40

Finding the Fourth Proportional to 60,429,534.40, 90,634,678.80 and 20,040,018.40

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Solution

The fourth proportional to 60,429,534.40, 90,634,678.80 and 20,040,018.40 is: 30,056,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429,534.40 : 90,634,678.80 = 20,040,018.40 : x
  2. Step 2: Convert to fraction form
    60,429,534.40/90,634,678.80 = 20,040,018.40/x
  3. Step 3: Cross multiply
    60,429,534.40x = 90,634,678.80 × 20,040,018.40
  4. Step 4: Simplify right side
    60,429,534.40x = 1,816,320,630,830,089.75
  5. Step 5: Solve for x
    x = 1,816,320,630,830,089.75/60,429,534.40
  6. Step 6: Final answer
    x = 30,056,836.43

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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.