Home / 78,710,400.09-108,623,637.33-43,430,493.82

Finding the Fourth Proportional to 78,710,400.09, 108,623,637.33 and 43,430,493.82

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Solution

The fourth proportional to 78,710,400.09, 108,623,637.33 and 43,430,493.82 is: 59,935,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,710,400.09 : 108,623,637.33 = 43,430,493.82 : x
  2. Step 2: Convert to fraction form
    78,710,400.09/108,623,637.33 = 43,430,493.82/x
  3. Step 3: Cross multiply
    78,710,400.09x = 108,623,637.33 × 43,430,493.82
  4. Step 4: Simplify right side
    78,710,400.09x = 4,717,578,209,902,394
  5. Step 5: Solve for x
    x = 4,717,578,209,902,394/78,710,400.09
  6. Step 6: Final answer
    x = 59,935,894.17

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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.