Home / 208,895,272,373.23-313,404,385,632.86-67,402,039,677.56

Finding the Fourth Proportional to 208,895,272,373.23, 313,404,385,632.86 and 67,402,039,677.56

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Solution

The fourth proportional to 208,895,272,373.23, 313,404,385,632.86 and 67,402,039,677.56 is: 101,122,895,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895,272,373.23 : 313,404,385,632.86 = 67,402,039,677.56 : x
  2. Step 2: Convert to fraction form
    208,895,272,373.23/313,404,385,632.86 = 67,402,039,677.56/x
  3. Step 3: Cross multiply
    208,895,272,373.23x = 313,404,385,632.86 × 67,402,039,677.56
  4. Step 4: Simplify right side
    208,895,272,373.23x = 21,124,094,835,545,778,159,616
  5. Step 5: Solve for x
    x = 21,124,094,835,545,778,159,616/208,895,272,373.23
  6. Step 6: Final answer
    x = 101,122,895,676.66

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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.