Home / 127,730,788,575.30-191,596,182,862.95-53,191,086,491.70

Finding the Fourth Proportional to 127,730,788,575.30, 191,596,182,862.95 and 53,191,086,491.70

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Solution

The fourth proportional to 127,730,788,575.30, 191,596,182,862.95 and 53,191,086,491.70 is: 79,786,629,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730,788,575.30 : 191,596,182,862.95 = 53,191,086,491.70 : x
  2. Step 2: Convert to fraction form
    127,730,788,575.30/191,596,182,862.95 = 53,191,086,491.70/x
  3. Step 3: Cross multiply
    127,730,788,575.30x = 191,596,182,862.95 × 53,191,086,491.70
  4. Step 4: Simplify right side
    127,730,788,575.30x = 10,191,209,134,142,743,642,112
  5. Step 5: Solve for x
    x = 10,191,209,134,142,743,642,112/127,730,788,575.30
  6. Step 6: Final answer
    x = 79,786,629,737.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.