Home / 208,992,430.90-288,415,102.98-114,910,545.34

Finding the Fourth Proportional to 208,992,430.90, 288,415,102.98 and 114,910,545.34

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Solution

The fourth proportional to 208,992,430.90, 288,415,102.98 and 114,910,545.34 is: 158,579,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,992,430.90 : 288,415,102.98 = 114,910,545.34 : x
  2. Step 2: Convert to fraction form
    208,992,430.90/288,415,102.98 = 114,910,545.34/x
  3. Step 3: Cross multiply
    208,992,430.90x = 288,415,102.98 × 114,910,545.34
  4. Step 4: Simplify right side
    208,992,430.90x = 33,141,936,767,724,064
  5. Step 5: Solve for x
    x = 33,141,936,767,724,064/208,992,430.90
  6. Step 6: Final answer
    x = 158,579,603.22

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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.