Home / 98,759,395.69-136,335,225.51-65,774,536.81

Finding the Fourth Proportional to 98,759,395.69, 136,335,225.51 and 65,774,536.81

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Solution

The fourth proportional to 98,759,395.69, 136,335,225.51 and 65,774,536.81 is: 90,800,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759,395.69 : 136,335,225.51 = 65,774,536.81 : x
  2. Step 2: Convert to fraction form
    98,759,395.69/136,335,225.51 = 65,774,536.81/x
  3. Step 3: Cross multiply
    98,759,395.69x = 136,335,225.51 × 65,774,536.81
  4. Step 4: Simplify right side
    98,759,395.69x = 8,967,386,308,807,146
  5. Step 5: Solve for x
    x = 8,967,386,308,807,146/98,759,395.69
  6. Step 6: Final answer
    x = 90,800,335.97

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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.