Home / 127,032,829.85-190,438,264.50-49,256,148.81

Finding the Fourth Proportional to 127,032,829.85, 190,438,264.50 and 49,256,148.81

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Solution

The fourth proportional to 127,032,829.85, 190,438,264.50 and 49,256,148.81 is: 73,841,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,032,829.85 : 190,438,264.50 = 49,256,148.81 : x
  2. Step 2: Convert to fraction form
    127,032,829.85/190,438,264.50 = 49,256,148.81/x
  3. Step 3: Cross multiply
    127,032,829.85x = 190,438,264.50 × 49,256,148.81
  4. Step 4: Simplify right side
    127,032,829.85x = 9,380,255,495,330,140
  5. Step 5: Solve for x
    x = 9,380,255,495,330,140/127,032,829.85
  6. Step 6: Final answer
    x = 73,841,191.34

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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.