Home / 127,877,314.60-191,815,971.90-56,073,730.60

Finding the Fourth Proportional to 127,877,314.60, 191,815,971.90 and 56,073,730.60

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Solution

The fourth proportional to 127,877,314.60, 191,815,971.90 and 56,073,730.60 is: 84,110,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877,314.60 : 191,815,971.90 = 56,073,730.60 : x
  2. Step 2: Convert to fraction form
    127,877,314.60/191,815,971.90 = 56,073,730.60/x
  3. Step 3: Cross multiply
    127,877,314.60x = 191,815,971.90 × 56,073,730.60
  4. Step 4: Simplify right side
    127,877,314.60x = 10,755,837,133,097,770
  5. Step 5: Solve for x
    x = 10,755,837,133,097,770/127,877,314.60
  6. Step 6: Final answer
    x = 84,110,595.90

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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.