Home / 93,117,906.36-128,502,746.28-53,982,369.72

Finding the Fourth Proportional to 93,117,906.36, 128,502,746.28 and 53,982,369.72

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Solution

The fourth proportional to 93,117,906.36, 128,502,746.28 and 53,982,369.72 is: 74,495,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117,906.36 : 128,502,746.28 = 53,982,369.72 : x
  2. Step 2: Convert to fraction form
    93,117,906.36/128,502,746.28 = 53,982,369.72/x
  3. Step 3: Cross multiply
    93,117,906.36x = 128,502,746.28 × 53,982,369.72
  4. Step 4: Simplify right side
    93,117,906.36x = 6,936,882,759,722,315
  5. Step 5: Solve for x
    x = 6,936,882,759,722,315/93,117,906.36
  6. Step 6: Final answer
    x = 74,495,690.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.