Home / 219,310,896.90-328,966,345.35-90,011,301.60

Finding the Fourth Proportional to 219,310,896.90, 328,966,345.35 and 90,011,301.60

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Solution

The fourth proportional to 219,310,896.90, 328,966,345.35 and 90,011,301.60 is: 135,016,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,310,896.90 : 328,966,345.35 = 90,011,301.60 : x
  2. Step 2: Convert to fraction form
    219,310,896.90/328,966,345.35 = 90,011,301.60/x
  3. Step 3: Cross multiply
    219,310,896.90x = 328,966,345.35 × 90,011,301.60
  4. Step 4: Simplify right side
    219,310,896.90x = 29,610,688,927,548,608
  5. Step 5: Solve for x
    x = 29,610,688,927,548,608/219,310,896.90
  6. Step 6: Final answer
    x = 135,016,952.40

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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.