Home / 101,786,749,838.90-140,472,094,032.71-56,061,016,157.48

Finding the Fourth Proportional to 101,786,749,838.90, 140,472,094,032.71 and 56,061,016,157.48

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Solution

The fourth proportional to 101,786,749,838.90, 140,472,094,032.71 and 56,061,016,157.48 is: 77,367,715,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,786,749,838.90 : 140,472,094,032.71 = 56,061,016,157.48 : x
  2. Step 2: Convert to fraction form
    101,786,749,838.90/140,472,094,032.71 = 56,061,016,157.48/x
  3. Step 3: Cross multiply
    101,786,749,838.90x = 140,472,094,032.71 × 56,061,016,157.48
  4. Step 4: Simplify right side
    101,786,749,838.90x = 7,875,008,333,242,804,731,904
  5. Step 5: Solve for x
    x = 7,875,008,333,242,804,731,904/101,786,749,838.90
  6. Step 6: Final answer
    x = 77,367,715,795.10

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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.