Home / 162,581,962.47-243,821,548.66-53,389,132.71

Finding the Fourth Proportional to 162,581,962.47, 243,821,548.66 and 53,389,132.71

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Solution

The fourth proportional to 162,581,962.47, 243,821,548.66 and 53,389,132.71 is: 80,066,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,581,962.47 : 243,821,548.66 = 53,389,132.71 : x
  2. Step 2: Convert to fraction form
    162,581,962.47/243,821,548.66 = 53,389,132.71/x
  3. Step 3: Cross multiply
    162,581,962.47x = 243,821,548.66 × 53,389,132.71
  4. Step 4: Simplify right side
    162,581,962.47x = 13,017,421,017,480,408
  5. Step 5: Solve for x
    x = 13,017,421,017,480,408/162,581,962.47
  6. Step 6: Final answer
    x = 80,066,821.81

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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.