Home / 113,552,006.40-170,328,009.60-112,357,612.80

Finding the Fourth Proportional to 113,552,006.40, 170,328,009.60 and 112,357,612.80

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Solution

The fourth proportional to 113,552,006.40, 170,328,009.60 and 112,357,612.80 is: 168,536,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,552,006.40 : 170,328,009.60 = 112,357,612.80 : x
  2. Step 2: Convert to fraction form
    113,552,006.40/170,328,009.60 = 112,357,612.80/x
  3. Step 3: Cross multiply
    113,552,006.40x = 170,328,009.60 × 112,357,612.80
  4. Step 4: Simplify right side
    113,552,006.40x = 19,137,648,551,631,480
  5. Step 5: Solve for x
    x = 19,137,648,551,631,480/113,552,006.40
  6. Step 6: Final answer
    x = 168,536,419.20

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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.