Home / 99,280,513.80-148,920,770.70-73,771,345.80

Finding the Fourth Proportional to 99,280,513.80, 148,920,770.70 and 73,771,345.80

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Solution

The fourth proportional to 99,280,513.80, 148,920,770.70 and 73,771,345.80 is: 110,657,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280,513.80 : 148,920,770.70 = 73,771,345.80 : x
  2. Step 2: Convert to fraction form
    99,280,513.80/148,920,770.70 = 73,771,345.80/x
  3. Step 3: Cross multiply
    99,280,513.80x = 148,920,770.70 × 73,771,345.80
  4. Step 4: Simplify right side
    99,280,513.80x = 10,986,085,672,112,206
  5. Step 5: Solve for x
    x = 10,986,085,672,112,206/99,280,513.80
  6. Step 6: Final answer
    x = 110,657,018.70

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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.