Home / 74,706,870.30-112,060,305.45-54,140,103.60

Finding the Fourth Proportional to 74,706,870.30, 112,060,305.45 and 54,140,103.60

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Solution

The fourth proportional to 74,706,870.30, 112,060,305.45 and 54,140,103.60 is: 81,210,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706,870.30 : 112,060,305.45 = 54,140,103.60 : x
  2. Step 2: Convert to fraction form
    74,706,870.30/112,060,305.45 = 54,140,103.60/x
  3. Step 3: Cross multiply
    74,706,870.30x = 112,060,305.45 × 54,140,103.60
  4. Step 4: Simplify right side
    74,706,870.30x = 6,066,956,546,510,645
  5. Step 5: Solve for x
    x = 6,066,956,546,510,645/74,706,870.30
  6. Step 6: Final answer
    x = 81,210,155.40

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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.