Home / 208,025,456.80-286,936,902.21-133,779,885.34

Finding the Fourth Proportional to 208,025,456.80, 286,936,902.21 and 133,779,885.34

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Solution

The fourth proportional to 208,025,456.80, 286,936,902.21 and 133,779,885.34 is: 184,527,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,025,456.80 : 286,936,902.21 = 133,779,885.34 : x
  2. Step 2: Convert to fraction form
    208,025,456.80/286,936,902.21 = 133,779,885.34/x
  3. Step 3: Cross multiply
    208,025,456.80x = 286,936,902.21 × 133,779,885.34
  4. Step 4: Simplify right side
    208,025,456.80x = 38,386,385,877,468,592
  5. Step 5: Solve for x
    x = 38,386,385,877,468,592/208,025,456.80
  6. Step 6: Final answer
    x = 184,527,348.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.