Home / 119,768,041.20-165,280,887.54-66,124,430.40

Finding the Fourth Proportional to 119,768,041.20, 165,280,887.54 and 66,124,430.40

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Solution

The fourth proportional to 119,768,041.20, 165,280,887.54 and 66,124,430.40 is: 91,252,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,768,041.20 : 165,280,887.54 = 66,124,430.40 : x
  2. Step 2: Convert to fraction form
    119,768,041.20/165,280,887.54 = 66,124,430.40/x
  3. Step 3: Cross multiply
    119,768,041.20x = 165,280,887.54 × 66,124,430.40
  4. Step 4: Simplify right side
    119,768,041.20x = 10,929,104,544,588,956
  5. Step 5: Solve for x
    x = 10,929,104,544,588,956/119,768,041.20
  6. Step 6: Final answer
    x = 91,252,260.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.