Home / 304,486,130.61-420,191,275.01-165,256,894.17

Finding the Fourth Proportional to 304,486,130.61, 420,191,275.01 and 165,256,894.17

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Solution

The fourth proportional to 304,486,130.61, 420,191,275.01 and 165,256,894.17 is: 228,054,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,130.61 : 420,191,275.01 = 165,256,894.17 : x
  2. Step 2: Convert to fraction form
    304,486,130.61/420,191,275.01 = 165,256,894.17/x
  3. Step 3: Cross multiply
    304,486,130.61x = 420,191,275.01 × 165,256,894.17
  4. Step 4: Simplify right side
    304,486,130.61x = 69,439,505,064,658,648
  5. Step 5: Solve for x
    x = 69,439,505,064,658,648/304,486,130.61
  6. Step 6: Final answer
    x = 228,054,739.06

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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.