Home / 315,999,320.04-436,058,474.34-176,745,928.68

Finding the Fourth Proportional to 315,999,320.04, 436,058,474.34 and 176,745,928.68

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Solution

The fourth proportional to 315,999,320.04, 436,058,474.34 and 176,745,928.68 is: 243,897,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,999,320.04 : 436,058,474.34 = 176,745,928.68 : x
  2. Step 2: Convert to fraction form
    315,999,320.04/436,058,474.34 = 176,745,928.68/x
  3. Step 3: Cross multiply
    315,999,320.04x = 436,058,474.34 × 176,745,928.68
  4. Step 4: Simplify right side
    315,999,320.04x = 77,071,560,006,007,248
  5. Step 5: Solve for x
    x = 77,071,560,006,007,248/315,999,320.04
  6. Step 6: Final answer
    x = 243,897,866.60

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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.