Home / 112,390,828.80-168,502,262.40-61,330,502.40

Finding the Fourth Proportional to 112,390,828.80, 168,502,262.40 and 61,330,502.40

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Solution

The fourth proportional to 112,390,828.80, 168,502,262.40 and 61,330,502.40 is: 91,949,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390,828.80 : 168,502,262.40 = 61,330,502.40 : x
  2. Step 2: Convert to fraction form
    112,390,828.80/168,502,262.40 = 61,330,502.40/x
  3. Step 3: Cross multiply
    112,390,828.80x = 168,502,262.40 × 61,330,502.40
  4. Step 4: Simplify right side
    112,390,828.80x = 10,334,328,408,528,630
  5. Step 5: Solve for x
    x = 10,334,328,408,528,630/112,390,828.80
  6. Step 6: Final answer
    x = 91,949,926.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.