Home / 130,046,377.76-179,290,390.40-103,312,412.04

Finding the Fourth Proportional to 130,046,377.76, 179,290,390.40 and 103,312,412.04

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Solution

The fourth proportional to 130,046,377.76, 179,290,390.40 and 103,312,412.04 is: 142,433,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046,377.76 : 179,290,390.40 = 103,312,412.04 : x
  2. Step 2: Convert to fraction form
    130,046,377.76/179,290,390.40 = 103,312,412.04/x
  3. Step 3: Cross multiply
    130,046,377.76x = 179,290,390.40 × 103,312,412.04
  4. Step 4: Simplify right side
    130,046,377.76x = 18,522,922,687,817,264
  5. Step 5: Solve for x
    x = 18,522,922,687,817,264/130,046,377.76
  6. Step 6: Final answer
    x = 142,433,207.34

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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.