Home / 79,673,061.40-119,318,002.98-45,490,802.20

Finding the Fourth Proportional to 79,673,061.40, 119,318,002.98 and 45,490,802.20

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Solution

The fourth proportional to 79,673,061.40, 119,318,002.98 and 45,490,802.20 is: 68,126,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,673,061.40 : 119,318,002.98 = 45,490,802.20 : x
  2. Step 2: Convert to fraction form
    79,673,061.40/119,318,002.98 = 45,490,802.20/x
  3. Step 3: Cross multiply
    79,673,061.40x = 119,318,002.98 × 45,490,802.20
  4. Step 4: Simplify right side
    79,673,061.40x = 5,427,871,672,462,191
  5. Step 5: Solve for x
    x = 5,427,871,672,462,191/79,673,061.40
  6. Step 6: Final answer
    x = 68,126,811.96

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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.