Home / 112,395,347.61-155,108,987.40-62,837,809.21

Finding the Fourth Proportional to 112,395,347.61, 155,108,987.40 and 62,837,809.21

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Solution

The fourth proportional to 112,395,347.61, 155,108,987.40 and 62,837,809.21 is: 86,718,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395,347.61 : 155,108,987.40 = 62,837,809.21 : x
  2. Step 2: Convert to fraction form
    112,395,347.61/155,108,987.40 = 62,837,809.21/x
  3. Step 3: Cross multiply
    112,395,347.61x = 155,108,987.40 × 62,837,809.21
  4. Step 4: Simplify right side
    112,395,347.61x = 9,746,708,956,997,494
  5. Step 5: Solve for x
    x = 9,746,708,956,997,494/112,395,347.61
  6. Step 6: Final answer
    x = 86,718,081.88

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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.