Home / 98,919,201.60-148,378,802.40-47,900,865.60

Finding the Fourth Proportional to 98,919,201.60, 148,378,802.40 and 47,900,865.60

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Solution

The fourth proportional to 98,919,201.60, 148,378,802.40 and 47,900,865.60 is: 71,851,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919,201.60 : 148,378,802.40 = 47,900,865.60 : x
  2. Step 2: Convert to fraction form
    98,919,201.60/148,378,802.40 = 47,900,865.60/x
  3. Step 3: Cross multiply
    98,919,201.60x = 148,378,802.40 × 47,900,865.60
  4. Step 4: Simplify right side
    98,919,201.60x = 7,107,473,071,651,358
  5. Step 5: Solve for x
    x = 7,107,473,071,651,358/98,919,201.60
  6. Step 6: Final answer
    x = 71,851,298.40

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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.