Home / 403,309,166.40-605,038,399.20-130,688,827.20

Finding the Fourth Proportional to 403,309,166.40, 605,038,399.20 and 130,688,827.20

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Solution

The fourth proportional to 403,309,166.40, 605,038,399.20 and 130,688,827.20 is: 196,057,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,309,166.40 : 605,038,399.20 = 130,688,827.20 : x
  2. Step 2: Convert to fraction form
    403,309,166.40/605,038,399.20 = 130,688,827.20/x
  3. Step 3: Cross multiply
    403,309,166.40x = 605,038,399.20 × 130,688,827.20
  4. Step 4: Simplify right side
    403,309,166.40x = 79,071,758,802,413,424
  5. Step 5: Solve for x
    x = 79,071,758,802,413,424/403,309,166.40
  6. Step 6: Final answer
    x = 196,057,430.35

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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.