Home / 161,749,128.40-242,624,729.40-64,712,942.80

Finding the Fourth Proportional to 161,749,128.40, 242,624,729.40 and 64,712,942.80

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Solution

The fourth proportional to 161,749,128.40, 242,624,729.40 and 64,712,942.80 is: 97,069,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,749,128.40 : 242,624,729.40 = 64,712,942.80 : x
  2. Step 2: Convert to fraction form
    161,749,128.40/242,624,729.40 = 64,712,942.80/x
  3. Step 3: Cross multiply
    161,749,128.40x = 242,624,729.40 × 64,712,942.80
  4. Step 4: Simplify right side
    161,749,128.40x = 15,700,960,235,527,678
  5. Step 5: Solve for x
    x = 15,700,960,235,527,678/161,749,128.40
  6. Step 6: Final answer
    x = 97,069,829.01

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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.