Home / 134,755,830.79-185,963,606.98-72,876,169.35

Finding the Fourth Proportional to 134,755,830.79, 185,963,606.98 and 72,876,169.35

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Solution

The fourth proportional to 134,755,830.79, 185,963,606.98 and 72,876,169.35 is: 100,569,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,830.79 : 185,963,606.98 = 72,876,169.35 : x
  2. Step 2: Convert to fraction form
    134,755,830.79/185,963,606.98 = 72,876,169.35/x
  3. Step 3: Cross multiply
    134,755,830.79x = 185,963,606.98 × 72,876,169.35
  4. Step 4: Simplify right side
    134,755,830.79x = 13,552,315,315,029,130
  5. Step 5: Solve for x
    x = 13,552,315,315,029,130/134,755,830.79
  6. Step 6: Final answer
    x = 100,569,416.82

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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.