Home / 105,070,739,456.72-144,997,760,279.15-56,898,865,765.38

Finding the Fourth Proportional to 105,070,739,456.72, 144,997,760,279.15 and 56,898,865,765.38

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Solution

The fourth proportional to 105,070,739,456.72, 144,997,760,279.15 and 56,898,865,765.38 is: 78,520,510,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070,739,456.72 : 144,997,760,279.15 = 56,898,865,765.38 : x
  2. Step 2: Convert to fraction form
    105,070,739,456.72/144,997,760,279.15 = 56,898,865,765.38/x
  3. Step 3: Cross multiply
    105,070,739,456.72x = 144,997,760,279.15 × 56,898,865,765.38
  4. Step 4: Simplify right side
    105,070,739,456.72x = 8,250,208,098,404,103,356,416
  5. Step 5: Solve for x
    x = 8,250,208,098,404,103,356,416/105,070,739,456.72
  6. Step 6: Final answer
    x = 78,520,510,477.63

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1.5x scale

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.