Home / 70,620,331.04-105,932,484.45-19,502,349.86

Finding the Fourth Proportional to 70,620,331.04, 105,932,484.45 and 19,502,349.86

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Solution

The fourth proportional to 70,620,331.04, 105,932,484.45 and 19,502,349.86 is: 29,254,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620,331.04 : 105,932,484.45 = 19,502,349.86 : x
  2. Step 2: Convert to fraction form
    70,620,331.04/105,932,484.45 = 19,502,349.86/x
  3. Step 3: Cross multiply
    70,620,331.04x = 105,932,484.45 × 19,502,349.86
  4. Step 4: Simplify right side
    70,620,331.04x = 2,065,932,373,282,909.75
  5. Step 5: Solve for x
    x = 2,065,932,373,282,909.75/70,620,331.04
  6. Step 6: Final answer
    x = 29,254,073.76

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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.