Home / 98,908,419.51-136,368,179.74-70,684,502.89

Finding the Fourth Proportional to 98,908,419.51, 136,368,179.74 and 70,684,502.89

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Solution

The fourth proportional to 98,908,419.51, 136,368,179.74 and 70,684,502.89 is: 97,454,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,908,419.51 : 136,368,179.74 = 70,684,502.89 : x
  2. Step 2: Convert to fraction form
    98,908,419.51/136,368,179.74 = 70,684,502.89/x
  3. Step 3: Cross multiply
    98,908,419.51x = 136,368,179.74 × 70,684,502.89
  4. Step 4: Simplify right side
    98,908,419.51x = 9,639,116,994,582,648
  5. Step 5: Solve for x
    x = 9,639,116,994,582,648/98,908,419.51
  6. Step 6: Final answer
    x = 97,454,969.38

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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.