Home / 141,868,156.32-195,778,004.40-76,678,060.32

Finding the Fourth Proportional to 141,868,156.32, 195,778,004.40 and 76,678,060.32

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Solution

The fourth proportional to 141,868,156.32, 195,778,004.40 and 76,678,060.32 is: 105,815,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,868,156.32 : 195,778,004.40 = 76,678,060.32 : x
  2. Step 2: Convert to fraction form
    141,868,156.32/195,778,004.40 = 76,678,060.32/x
  3. Step 3: Cross multiply
    141,868,156.32x = 195,778,004.40 × 76,678,060.32
  4. Step 4: Simplify right side
    141,868,156.32x = 15,011,877,630,712,424
  5. Step 5: Solve for x
    x = 15,011,877,630,712,424/141,868,156.32
  6. Step 6: Final answer
    x = 105,815,695.50

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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.