Home / 187,640,371,210.78-258,941,872,643.48-101,996,241,318.64

Finding the Fourth Proportional to 187,640,371,210.78, 258,941,872,643.48 and 101,996,241,318.64

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Solution

The fourth proportional to 187,640,371,210.78, 258,941,872,643.48 and 101,996,241,318.64 is: 140,753,813,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,640,371,210.78 : 258,941,872,643.48 = 101,996,241,318.64 : x
  2. Step 2: Convert to fraction form
    187,640,371,210.78/258,941,872,643.48 = 101,996,241,318.64/x
  3. Step 3: Cross multiply
    187,640,371,210.78x = 258,941,872,643.48 × 101,996,241,318.64
  4. Step 4: Simplify right side
    187,640,371,210.78x = 26,411,097,729,644,932,104,192
  5. Step 5: Solve for x
    x = 26,411,097,729,644,932,104,192/187,640,371,210.78
  6. Step 6: Final answer
    x = 140,753,813,047.92

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1.5x scale

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.