Home / 127,813,921,827.40-191,720,882,741.10-53,337,354,934.60

Finding the Fourth Proportional to 127,813,921,827.40, 191,720,882,741.10 and 53,337,354,934.60

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Solution

The fourth proportional to 127,813,921,827.40, 191,720,882,741.10 and 53,337,354,934.60 is: 80,006,032,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,921,827.40 : 191,720,882,741.10 = 53,337,354,934.60 : x
  2. Step 2: Convert to fraction form
    127,813,921,827.40/191,720,882,741.10 = 53,337,354,934.60/x
  3. Step 3: Cross multiply
    127,813,921,827.40x = 191,720,882,741.10 × 53,337,354,934.60
  4. Step 4: Simplify right side
    127,813,921,827.40x = 10,225,884,771,136,877,625,344
  5. Step 5: Solve for x
    x = 10,225,884,771,136,877,625,344/127,813,921,827.40
  6. Step 6: Final answer
    x = 80,006,032,401.90

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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.