Home / 276,299,878.95-381,465,911.05-175,884,973.88

Finding the Fourth Proportional to 276,299,878.95, 381,465,911.05 and 175,884,973.88

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Solution

The fourth proportional to 276,299,878.95, 381,465,911.05 and 175,884,973.88 is: 242,830,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,299,878.95 : 381,465,911.05 = 175,884,973.88 : x
  2. Step 2: Convert to fraction form
    276,299,878.95/381,465,911.05 = 175,884,973.88/x
  3. Step 3: Cross multiply
    276,299,878.95x = 381,465,911.05 × 175,884,973.88
  4. Step 4: Simplify right side
    276,299,878.95x = 67,094,121,798,792,616
  5. Step 5: Solve for x
    x = 67,094,121,798,792,616/276,299,878.95
  6. Step 6: Final answer
    x = 242,830,804.17

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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.