Home / 127,650,871,814.40-191,476,307,721.60-77,367,199,852.80

Finding the Fourth Proportional to 127,650,871,814.40, 191,476,307,721.60 and 77,367,199,852.80

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Solution

The fourth proportional to 127,650,871,814.40, 191,476,307,721.60 and 77,367,199,852.80 is: 116,050,799,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,814.40 : 191,476,307,721.60 = 77,367,199,852.80 : x
  2. Step 2: Convert to fraction form
    127,650,871,814.40/191,476,307,721.60 = 77,367,199,852.80/x
  3. Step 3: Cross multiply
    127,650,871,814.40x = 191,476,307,721.60 × 77,367,199,852.80
  4. Step 4: Simplify right side
    127,650,871,814.40x = 14,813,985,766,573,260,931,072
  5. Step 5: Solve for x
    x = 14,813,985,766,573,260,931,072/127,650,871,814.40
  6. Step 6: Final answer
    x = 116,050,799,779.20

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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.