Home / 175,742,006.40-242,620,498.80-120,071,134.08

Finding the Fourth Proportional to 175,742,006.40, 242,620,498.80 and 120,071,134.08

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Solution

The fourth proportional to 175,742,006.40, 242,620,498.80 and 120,071,134.08 is: 165,764,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,742,006.40 : 242,620,498.80 = 120,071,134.08 : x
  2. Step 2: Convert to fraction form
    175,742,006.40/242,620,498.80 = 120,071,134.08/x
  3. Step 3: Cross multiply
    175,742,006.40x = 242,620,498.80 × 120,071,134.08
  4. Step 4: Simplify right side
    175,742,006.40x = 29,131,718,441,971,280
  5. Step 5: Solve for x
    x = 29,131,718,441,971,280/175,742,006.40
  6. Step 6: Final answer
    x = 165,764,116.61

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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.