Home / 64,209,981.60-96,155,540.10-51,455,397.60

Finding the Fourth Proportional to 64,209,981.60, 96,155,540.10 and 51,455,397.60

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Solution

The fourth proportional to 64,209,981.60, 96,155,540.10 and 51,455,397.60 is: 77,055,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209,981.60 : 96,155,540.10 = 51,455,397.60 : x
  2. Step 2: Convert to fraction form
    64,209,981.60/96,155,540.10 = 51,455,397.60/x
  3. Step 3: Cross multiply
    64,209,981.60x = 96,155,540.10 × 51,455,397.60
  4. Step 4: Simplify right side
    64,209,981.60x = 4,947,721,547,288,244
  5. Step 5: Solve for x
    x = 4,947,721,547,288,244/64,209,981.60
  6. Step 6: Final answer
    x = 77,055,333.52

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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.