Home / 105,070,739,455.72-144,997,760,277.76-56,898,865,764.38

Finding the Fourth Proportional to 105,070,739,455.72, 144,997,760,277.76 and 56,898,865,764.38

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Solution

The fourth proportional to 105,070,739,455.72, 144,997,760,277.76 and 56,898,865,764.38 is: 78,520,510,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070,739,455.72 : 144,997,760,277.76 = 56,898,865,764.38 : x
  2. Step 2: Convert to fraction form
    105,070,739,455.72/144,997,760,277.76 = 56,898,865,764.38/x
  3. Step 3: Cross multiply
    105,070,739,455.72x = 144,997,760,277.76 × 56,898,865,764.38
  4. Step 4: Simplify right side
    105,070,739,455.72x = 8,250,208,098,180,307,877,888
  5. Step 5: Solve for x
    x = 8,250,208,098,180,307,877,888/105,070,739,455.72
  6. Step 6: Final answer
    x = 78,520,510,476.25

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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.