Home / 152,956,848.53-229,271,899.79-87,236,492.51

Finding the Fourth Proportional to 152,956,848.53, 229,271,899.79 and 87,236,492.51

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Solution

The fourth proportional to 152,956,848.53, 229,271,899.79 and 87,236,492.51 is: 130,761,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956,848.53 : 229,271,899.79 = 87,236,492.51 : x
  2. Step 2: Convert to fraction form
    152,956,848.53/229,271,899.79 = 87,236,492.51/x
  3. Step 3: Cross multiply
    152,956,848.53x = 229,271,899.79 × 87,236,492.51
  4. Step 4: Simplify right side
    152,956,848.53x = 20,000,876,368,920,804
  5. Step 5: Solve for x
    x = 20,000,876,368,920,804/152,956,848.53
  6. Step 6: Final answer
    x = 130,761,561.58

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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.