Home / 119,768,038.20-165,280,883.40-66,124,427.40

Finding the Fourth Proportional to 119,768,038.20, 165,280,883.40 and 66,124,427.40

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Solution

The fourth proportional to 119,768,038.20, 165,280,883.40 and 66,124,427.40 is: 91,252,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,768,038.20 : 165,280,883.40 = 66,124,427.40 : x
  2. Step 2: Convert to fraction form
    119,768,038.20/165,280,883.40 = 66,124,427.40/x
  3. Step 3: Cross multiply
    119,768,038.20x = 165,280,883.40 × 66,124,427.40
  4. Step 4: Simplify right side
    119,768,038.20x = 10,929,103,774,991,166
  5. Step 5: Solve for x
    x = 10,929,103,774,991,166/119,768,038.20
  6. Step 6: Final answer
    x = 91,252,256.77

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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.