Home / 103,520,160.70-155,148,364.95-55,021,248.70

Finding the Fourth Proportional to 103,520,160.70, 155,148,364.95 and 55,021,248.70

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Solution

The fourth proportional to 103,520,160.70, 155,148,364.95 and 55,021,248.70 is: 82,461,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,160.70 : 155,148,364.95 = 55,021,248.70 : x
  2. Step 2: Convert to fraction form
    103,520,160.70/155,148,364.95 = 55,021,248.70/x
  3. Step 3: Cross multiply
    103,520,160.70x = 155,148,364.95 × 55,021,248.70
  4. Step 4: Simplify right side
    103,520,160.70x = 8,536,456,773,312,313
  5. Step 5: Solve for x
    x = 8,536,456,773,312,313/103,520,160.70
  6. Step 6: Final answer
    x = 82,461,780.54

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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.