Home / 100,696,843,510.79-138,962,208,472.67-57,293,127,322.07

Finding the Fourth Proportional to 100,696,843,510.79, 138,962,208,472.67 and 57,293,127,322.07

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Solution

The fourth proportional to 100,696,843,510.79, 138,962,208,472.67 and 57,293,127,322.07 is: 79,064,836,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696,843,510.79 : 138,962,208,472.67 = 57,293,127,322.07 : x
  2. Step 2: Convert to fraction form
    100,696,843,510.79/138,962,208,472.67 = 57,293,127,322.07/x
  3. Step 3: Cross multiply
    100,696,843,510.79x = 138,962,208,472.67 × 57,293,127,322.07
  4. Step 4: Simplify right side
    100,696,843,510.79x = 7,961,579,502,980,022,927,360
  5. Step 5: Solve for x
    x = 7,961,579,502,980,022,927,360/100,696,843,510.79
  6. Step 6: Final answer
    x = 79,064,836,844.93

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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.