Home / 141,979,129,555.79-212,981,786,477.73-46,365,649,493.72

Finding the Fourth Proportional to 141,979,129,555.79, 212,981,786,477.73 and 46,365,649,493.72

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Solution

The fourth proportional to 141,979,129,555.79, 212,981,786,477.73 and 46,365,649,493.72 is: 69,552,749,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,979,129,555.79 : 212,981,786,477.73 = 46,365,649,493.72 : x
  2. Step 2: Convert to fraction form
    141,979,129,555.79/212,981,786,477.73 = 46,365,649,493.72/x
  3. Step 3: Cross multiply
    141,979,129,555.79x = 212,981,786,477.73 × 46,365,649,493.72
  4. Step 4: Simplify right side
    141,979,129,555.79x = 9,875,038,860,371,677,937,664
  5. Step 5: Solve for x
    x = 9,875,038,860,371,677,937,664/141,979,129,555.79
  6. Step 6: Final answer
    x = 69,552,749,698.27

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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.