Home / 116,640,064.80-174,960,097.20-78,092,877.60

Finding the Fourth Proportional to 116,640,064.80, 174,960,097.20 and 78,092,877.60

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Solution

The fourth proportional to 116,640,064.80, 174,960,097.20 and 78,092,877.60 is: 117,139,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,064.80 : 174,960,097.20 = 78,092,877.60 : x
  2. Step 2: Convert to fraction form
    116,640,064.80/174,960,097.20 = 78,092,877.60/x
  3. Step 3: Cross multiply
    116,640,064.80x = 174,960,097.20 × 78,092,877.60
  4. Step 4: Simplify right side
    116,640,064.80x = 13,663,137,455,523,700
  5. Step 5: Solve for x
    x = 13,663,137,455,523,700/116,640,064.80
  6. Step 6: Final answer
    x = 117,139,316.40

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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.