Home / 113,875,421.60-170,813,132.40-108,584,631.20

Finding the Fourth Proportional to 113,875,421.60, 170,813,132.40 and 108,584,631.20

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Solution

The fourth proportional to 113,875,421.60, 170,813,132.40 and 108,584,631.20 is: 162,876,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,875,421.60 : 170,813,132.40 = 108,584,631.20 : x
  2. Step 2: Convert to fraction form
    113,875,421.60/170,813,132.40 = 108,584,631.20/x
  3. Step 3: Cross multiply
    113,875,421.60x = 170,813,132.40 × 108,584,631.20
  4. Step 4: Simplify right side
    113,875,421.60x = 18,547,680,985,770,772
  5. Step 5: Solve for x
    x = 18,547,680,985,770,772/113,875,421.60
  6. Step 6: Final answer
    x = 162,876,946.80

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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.