Home / 195,464,665.40-293,196,998.10-190,985,689.40

Finding the Fourth Proportional to 195,464,665.40, 293,196,998.10 and 190,985,689.40

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Solution

The fourth proportional to 195,464,665.40, 293,196,998.10 and 190,985,689.40 is: 286,478,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,464,665.40 : 293,196,998.10 = 190,985,689.40 : x
  2. Step 2: Convert to fraction form
    195,464,665.40/293,196,998.10 = 190,985,689.40/x
  3. Step 3: Cross multiply
    195,464,665.40x = 293,196,998.10 × 190,985,689.40
  4. Step 4: Simplify right side
    195,464,665.40x = 55,996,430,812,139,000
  5. Step 5: Solve for x
    x = 55,996,430,812,139,000/195,464,665.40
  6. Step 6: Final answer
    x = 286,478,534.10

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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.