Home / 276,270,981.15-381,251,615.63-152,509,001.07

Finding the Fourth Proportional to 276,270,981.15, 381,251,615.63 and 152,509,001.07

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Solution

The fourth proportional to 276,270,981.15, 381,251,615.63 and 152,509,001.07 is: 210,461,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,270,981.15 : 381,251,615.63 = 152,509,001.07 : x
  2. Step 2: Convert to fraction form
    276,270,981.15/381,251,615.63 = 152,509,001.07/x
  3. Step 3: Cross multiply
    276,270,981.15x = 381,251,615.63 × 152,509,001.07
  4. Step 4: Simplify right side
    276,270,981.15x = 58,144,303,055,292,352
  5. Step 5: Solve for x
    x = 58,144,303,055,292,352/276,270,981.15
  6. Step 6: Final answer
    x = 210,461,130.64

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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.