Home / 205,935,294.60-308,898,218.70-103,671,870.60

Finding the Fourth Proportional to 205,935,294.60, 308,898,218.70 and 103,671,870.60

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Solution

The fourth proportional to 205,935,294.60, 308,898,218.70 and 103,671,870.60 is: 155,505,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,294.60 : 308,898,218.70 = 103,671,870.60 : x
  2. Step 2: Convert to fraction form
    205,935,294.60/308,898,218.70 = 103,671,870.60/x
  3. Step 3: Cross multiply
    205,935,294.60x = 308,898,218.70 × 103,671,870.60
  4. Step 4: Simplify right side
    205,935,294.60x = 32,024,056,157,636,896
  5. Step 5: Solve for x
    x = 32,024,056,157,636,896/205,935,294.60
  6. Step 6: Final answer
    x = 155,505,428.15

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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.