Home / 112,249,930.60-168,374,895.90-63,876,989.80

Finding the Fourth Proportional to 112,249,930.60, 168,374,895.90 and 63,876,989.80

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Solution

The fourth proportional to 112,249,930.60, 168,374,895.90 and 63,876,989.80 is: 95,815,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,249,930.60 : 168,374,895.90 = 63,876,989.80 : x
  2. Step 2: Convert to fraction form
    112,249,930.60/168,374,895.90 = 63,876,989.80/x
  3. Step 3: Cross multiply
    112,249,930.60x = 168,374,895.90 × 63,876,989.80
  4. Step 4: Simplify right side
    112,249,930.60x = 10,755,281,507,980,362
  5. Step 5: Solve for x
    x = 10,755,281,507,980,362/112,249,930.60
  6. Step 6: Final answer
    x = 95,815,484.70

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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.