Home / 103,255,260.08-142,502,552.10-77,104,377.02

Finding the Fourth Proportional to 103,255,260.08, 142,502,552.10 and 77,104,377.02

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Solution

The fourth proportional to 103,255,260.08, 142,502,552.10 and 77,104,377.02 is: 106,411,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255,260.08 : 142,502,552.10 = 77,104,377.02 : x
  2. Step 2: Convert to fraction form
    103,255,260.08/142,502,552.10 = 77,104,377.02/x
  3. Step 3: Cross multiply
    103,255,260.08x = 142,502,552.10 × 77,104,377.02
  4. Step 4: Simplify right side
    103,255,260.08x = 10,987,570,503,430,592
  5. Step 5: Solve for x
    x = 10,987,570,503,430,592/103,255,260.08
  6. Step 6: Final answer
    x = 106,411,726.58

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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.