Home / 208,895,272,373.84-313,404,385,633.80-67,402,039,678.18

Finding the Fourth Proportional to 208,895,272,373.84, 313,404,385,633.80 and 67,402,039,678.18

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Solution

The fourth proportional to 208,895,272,373.84, 313,404,385,633.80 and 67,402,039,678.18 is: 101,122,895,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895,272,373.84 : 313,404,385,633.80 = 67,402,039,678.18 : x
  2. Step 2: Convert to fraction form
    208,895,272,373.84/313,404,385,633.80 = 67,402,039,678.18/x
  3. Step 3: Cross multiply
    208,895,272,373.84x = 313,404,385,633.80 × 67,402,039,678.18
  4. Step 4: Simplify right side
    208,895,272,373.84x = 21,124,094,835,805,011,312,640
  5. Step 5: Solve for x
    x = 21,124,094,835,805,011,312,640/208,895,272,373.84
  6. Step 6: Final answer
    x = 101,122,895,677.61

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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.