Home / 153,133,208,217.81-211,342,358,562.36-87,155,425,367.06

Finding the Fourth Proportional to 153,133,208,217.81, 211,342,358,562.36 and 87,155,425,367.06

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Solution

The fourth proportional to 153,133,208,217.81, 211,342,358,562.36 and 87,155,425,367.06 is: 120,285,034,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,133,208,217.81 : 211,342,358,562.36 = 87,155,425,367.06 : x
  2. Step 2: Convert to fraction form
    153,133,208,217.81/211,342,358,562.36 = 87,155,425,367.06/x
  3. Step 3: Cross multiply
    153,133,208,217.81x = 211,342,358,562.36 × 87,155,425,367.06
  4. Step 4: Simplify right side
    153,133,208,217.81x = 18,419,633,158,579,141,214,208
  5. Step 5: Solve for x
    x = 18,419,633,158,579,141,214,208/153,133,208,217.81
  6. Step 6: Final answer
    x = 120,285,034,010.26

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1.5x scale

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.