Home / 162,384,798.60-243,529,958.70-89,636,430.60

Finding the Fourth Proportional to 162,384,798.60, 243,529,958.70 and 89,636,430.60

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Solution

The fourth proportional to 162,384,798.60, 243,529,958.70 and 89,636,430.60 is: 134,428,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384,798.60 : 243,529,958.70 = 89,636,430.60 : x
  2. Step 2: Convert to fraction form
    162,384,798.60/243,529,958.70 = 89,636,430.60/x
  3. Step 3: Cross multiply
    162,384,798.60x = 243,529,958.70 × 89,636,430.60
  4. Step 4: Simplify right side
    162,384,798.60x = 21,829,156,242,033,412
  5. Step 5: Solve for x
    x = 21,829,156,242,033,412/162,384,798.60
  6. Step 6: Final answer
    x = 134,428,569.86

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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.