Home / 160,615,848.64-221,651,090.40-87,277,385.92

Finding the Fourth Proportional to 160,615,848.64, 221,651,090.40 and 87,277,385.92

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Solution

The fourth proportional to 160,615,848.64, 221,651,090.40 and 87,277,385.92 is: 120,443,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,615,848.64 : 221,651,090.40 = 87,277,385.92 : x
  2. Step 2: Convert to fraction form
    160,615,848.64/221,651,090.40 = 87,277,385.92/x
  3. Step 3: Cross multiply
    160,615,848.64x = 221,651,090.40 × 87,277,385.92
  4. Step 4: Simplify right side
    160,615,848.64x = 19,345,127,756,429,608
  5. Step 5: Solve for x
    x = 19,345,127,756,429,608/160,615,848.64
  6. Step 6: Final answer
    x = 120,443,455.12

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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.