Home / 103,963,569.31-143,464,041.77-56,911,540.51

Finding the Fourth Proportional to 103,963,569.31, 143,464,041.77 and 56,911,540.51

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Solution

The fourth proportional to 103,963,569.31, 143,464,041.77 and 56,911,540.51 is: 78,534,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,569.31 : 143,464,041.77 = 56,911,540.51 : x
  2. Step 2: Convert to fraction form
    103,963,569.31/143,464,041.77 = 56,911,540.51/x
  3. Step 3: Cross multiply
    103,963,569.31x = 143,464,041.77 × 56,911,540.51
  4. Step 4: Simplify right side
    103,963,569.31x = 8,164,759,624,921,687
  5. Step 5: Solve for x
    x = 8,164,759,624,921,687/103,963,569.31
  6. Step 6: Final answer
    x = 78,534,814.45

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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.