Home / 249,227,618.40-373,841,427.60-85,443,407.10

Finding the Fourth Proportional to 249,227,618.40, 373,841,427.60 and 85,443,407.10

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Solution

The fourth proportional to 249,227,618.40, 373,841,427.60 and 85,443,407.10 is: 128,165,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,227,618.40 : 373,841,427.60 = 85,443,407.10 : x
  2. Step 2: Convert to fraction form
    249,227,618.40/373,841,427.60 = 85,443,407.10/x
  3. Step 3: Cross multiply
    249,227,618.40x = 373,841,427.60 × 85,443,407.10
  4. Step 4: Simplify right side
    249,227,618.40x = 31,942,285,289,271,976
  5. Step 5: Solve for x
    x = 31,942,285,289,271,976/249,227,618.40
  6. Step 6: Final answer
    x = 128,165,110.65

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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.