Home / 142,949,468,257.60-214,424,202,386.40-120,909,547,105.60

Finding the Fourth Proportional to 142,949,468,257.60, 214,424,202,386.40 and 120,909,547,105.60

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Solution

The fourth proportional to 142,949,468,257.60, 214,424,202,386.40 and 120,909,547,105.60 is: 181,364,320,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949,468,257.60 : 214,424,202,386.40 = 120,909,547,105.60 : x
  2. Step 2: Convert to fraction form
    142,949,468,257.60/214,424,202,386.40 = 120,909,547,105.60/x
  3. Step 3: Cross multiply
    142,949,468,257.60x = 214,424,202,386.40 × 120,909,547,105.60
  4. Step 4: Simplify right side
    142,949,468,257.60x = 25,925,933,199,019,139,399,680
  5. Step 5: Solve for x
    x = 25,925,933,199,019,139,399,680/142,949,468,257.60
  6. Step 6: Final answer
    x = 181,364,320,658.40

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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.