Home / 158,571,146.77-218,922,001.31-99,884,117.17

Finding the Fourth Proportional to 158,571,146.77, 218,922,001.31 and 99,884,117.17

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Solution

The fourth proportional to 158,571,146.77, 218,922,001.31 and 99,884,117.17 is: 137,899,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,571,146.77 : 218,922,001.31 = 99,884,117.17 : x
  2. Step 2: Convert to fraction form
    158,571,146.77/218,922,001.31 = 99,884,117.17/x
  3. Step 3: Cross multiply
    158,571,146.77x = 218,922,001.31 × 99,884,117.17
  4. Step 4: Simplify right side
    158,571,146.77x = 21,866,830,829,439,516
  5. Step 5: Solve for x
    x = 21,866,830,829,439,516/158,571,146.77
  6. Step 6: Final answer
    x = 137,899,178.22

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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.