Home / 136,049,170,442.40-204,073,755,663.60-86,092,015,831.20

Finding the Fourth Proportional to 136,049,170,442.40, 204,073,755,663.60 and 86,092,015,831.20

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Solution

The fourth proportional to 136,049,170,442.40, 204,073,755,663.60 and 86,092,015,831.20 is: 129,138,023,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049,170,442.40 : 204,073,755,663.60 = 86,092,015,831.20 : x
  2. Step 2: Convert to fraction form
    136,049,170,442.40/204,073,755,663.60 = 86,092,015,831.20/x
  3. Step 3: Cross multiply
    136,049,170,442.40x = 204,073,755,663.60 × 86,092,015,831.20
  4. Step 4: Simplify right side
    136,049,170,442.40x = 17,569,121,003,323,091,058,688
  5. Step 5: Solve for x
    x = 17,569,121,003,323,091,058,688/136,049,170,442.40
  6. Step 6: Final answer
    x = 129,138,023,746.80

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1.5x scale

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.