Home / 137,459,358,163.68-189,710,428,060.08-83,264,316,642.36

Finding the Fourth Proportional to 137,459,358,163.68, 189,710,428,060.08 and 83,264,316,642.36

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Solution

The fourth proportional to 137,459,358,163.68, 189,710,428,060.08 and 83,264,316,642.36 is: 114,914,759,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,459,358,163.68 : 189,710,428,060.08 = 83,264,316,642.36 : x
  2. Step 2: Convert to fraction form
    137,459,358,163.68/189,710,428,060.08 = 83,264,316,642.36/x
  3. Step 3: Cross multiply
    137,459,358,163.68x = 189,710,428,060.08 × 83,264,316,642.36
  4. Step 4: Simplify right side
    137,459,358,163.68x = 15,796,109,152,352,158,613,504
  5. Step 5: Solve for x
    x = 15,796,109,152,352,158,613,504/137,459,358,163.68
  6. Step 6: Final answer
    x = 114,914,759,994.32

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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.