Home / 98,686,988.48-136,202,296.25-56,863,046.45

Finding the Fourth Proportional to 98,686,988.48, 136,202,296.25 and 56,863,046.45

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Solution

The fourth proportional to 98,686,988.48, 136,202,296.25 and 56,863,046.45 is: 78,479,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686,988.48 : 136,202,296.25 = 56,863,046.45 : x
  2. Step 2: Convert to fraction form
    98,686,988.48/136,202,296.25 = 56,863,046.45/x
  3. Step 3: Cross multiply
    98,686,988.48x = 136,202,296.25 × 56,863,046.45
  4. Step 4: Simplify right side
    98,686,988.48x = 7,744,877,497,721,557
  5. Step 5: Solve for x
    x = 7,744,877,497,721,557/98,686,988.48
  6. Step 6: Final answer
    x = 78,479,216.13

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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.