Home / 127,793,386.40-191,495,021.52-75,875,752.64

Finding the Fourth Proportional to 127,793,386.40, 191,495,021.52 and 75,875,752.64

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Solution

The fourth proportional to 127,793,386.40, 191,495,021.52 and 75,875,752.64 is: 113,697,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793,386.40 : 191,495,021.52 = 75,875,752.64 : x
  2. Step 2: Convert to fraction form
    127,793,386.40/191,495,021.52 = 75,875,752.64/x
  3. Step 3: Cross multiply
    127,793,386.40x = 191,495,021.52 × 75,875,752.64
  4. Step 4: Simplify right side
    127,793,386.40x = 14,529,828,884,642,998
  5. Step 5: Solve for x
    x = 14,529,828,884,642,998/127,793,386.40
  6. Step 6: Final answer
    x = 113,697,815.62

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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.