Home / 140,472,927,785.24-193,852,151,540.80-76,243,651,925.15

Finding the Fourth Proportional to 140,472,927,785.24, 193,852,151,540.80 and 76,243,651,925.15

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Solution

The fourth proportional to 140,472,927,785.24, 193,852,151,540.80 and 76,243,651,925.15 is: 105,215,974,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,472,927,785.24 : 193,852,151,540.80 = 76,243,651,925.15 : x
  2. Step 2: Convert to fraction form
    140,472,927,785.24/193,852,151,540.80 = 76,243,651,925.15/x
  3. Step 3: Cross multiply
    140,472,927,785.24x = 193,852,151,540.80 × 76,243,651,925.15
  4. Step 4: Simplify right side
    140,472,927,785.24x = 14,779,995,967,018,571,399,168
  5. Step 5: Solve for x
    x = 14,779,995,967,018,571,399,168/140,472,927,785.24
  6. Step 6: Final answer
    x = 105,215,974,352.12

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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.