Home / 155,010,908.10-232,516,362.15-139,227,110.40

Finding the Fourth Proportional to 155,010,908.10, 232,516,362.15 and 139,227,110.40

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Solution

The fourth proportional to 155,010,908.10, 232,516,362.15 and 139,227,110.40 is: 208,840,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,010,908.10 : 232,516,362.15 = 139,227,110.40 : x
  2. Step 2: Convert to fraction form
    155,010,908.10/232,516,362.15 = 139,227,110.40/x
  3. Step 3: Cross multiply
    155,010,908.10x = 232,516,362.15 × 139,227,110.40
  4. Step 4: Simplify right side
    155,010,908.10x = 32,372,581,222,864,432
  5. Step 5: Solve for x
    x = 32,372,581,222,864,432/155,010,908.10
  6. Step 6: Final answer
    x = 208,840,665.60

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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.