Home / 162,415,429.40-243,623,144.10-97,845,347.90

Finding the Fourth Proportional to 162,415,429.40, 243,623,144.10 and 97,845,347.90

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Solution

The fourth proportional to 162,415,429.40, 243,623,144.10 and 97,845,347.90 is: 146,768,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415,429.40 : 243,623,144.10 = 97,845,347.90 : x
  2. Step 2: Convert to fraction form
    162,415,429.40/243,623,144.10 = 97,845,347.90/x
  3. Step 3: Cross multiply
    162,415,429.40x = 243,623,144.10 × 97,845,347.90
  4. Step 4: Simplify right side
    162,415,429.40x = 23,837,391,290,956,332
  5. Step 5: Solve for x
    x = 23,837,391,290,956,332/162,415,429.40
  6. Step 6: Final answer
    x = 146,768,021.85

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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.