Home / 257,108,774.76-354,812,192.40-139,634,945.16

Finding the Fourth Proportional to 257,108,774.76, 354,812,192.40 and 139,634,945.16

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Solution

The fourth proportional to 257,108,774.76, 354,812,192.40 and 139,634,945.16 is: 192,697,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,108,774.76 : 354,812,192.40 = 139,634,945.16 : x
  2. Step 2: Convert to fraction form
    257,108,774.76/354,812,192.40 = 139,634,945.16/x
  3. Step 3: Cross multiply
    257,108,774.76x = 354,812,192.40 × 139,634,945.16
  4. Step 4: Simplify right side
    257,108,774.76x = 49,544,181,027,873,368
  5. Step 5: Solve for x
    x = 49,544,181,027,873,368/257,108,774.76
  6. Step 6: Final answer
    x = 192,697,355.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.