Home / 74,712,448.40-112,068,672.60-52,793,459.60

Finding the Fourth Proportional to 74,712,448.40, 112,068,672.60 and 52,793,459.60

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Solution

The fourth proportional to 74,712,448.40, 112,068,672.60 and 52,793,459.60 is: 79,190,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,712,448.40 : 112,068,672.60 = 52,793,459.60 : x
  2. Step 2: Convert to fraction form
    74,712,448.40/112,068,672.60 = 52,793,459.60/x
  3. Step 3: Cross multiply
    74,712,448.40x = 112,068,672.60 × 52,793,459.60
  4. Step 4: Simplify right side
    74,712,448.40x = 5,916,492,939,333,727
  5. Step 5: Solve for x
    x = 5,916,492,939,333,727/74,712,448.40
  6. Step 6: Final answer
    x = 79,190,189.40

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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.