Home / 127,858,307.60-191,787,461.40-36,984,861.20

Finding the Fourth Proportional to 127,858,307.60, 191,787,461.40 and 36,984,861.20

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Solution

The fourth proportional to 127,858,307.60, 191,787,461.40 and 36,984,861.20 is: 55,477,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,858,307.60 : 191,787,461.40 = 36,984,861.20 : x
  2. Step 2: Convert to fraction form
    127,858,307.60/191,787,461.40 = 36,984,861.20/x
  3. Step 3: Cross multiply
    127,858,307.60x = 191,787,461.40 × 36,984,861.20
  4. Step 4: Simplify right side
    127,858,307.60x = 7,093,232,639,779,358
  5. Step 5: Solve for x
    x = 7,093,232,639,779,358/127,858,307.60
  6. Step 6: Final answer
    x = 55,477,291.80

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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.