Home / 118,838,598.30-178,258,512.60-54,097,127.10

Finding the Fourth Proportional to 118,838,598.30, 178,258,512.60 and 54,097,127.10

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Solution

The fourth proportional to 118,838,598.30, 178,258,512.60 and 54,097,127.10 is: 81,145,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,838,598.30 : 178,258,512.60 = 54,097,127.10 : x
  2. Step 2: Convert to fraction form
    118,838,598.30/178,258,512.60 = 54,097,127.10/x
  3. Step 3: Cross multiply
    118,838,598.30x = 178,258,512.60 × 54,097,127.10
  4. Step 4: Simplify right side
    118,838,598.30x = 9,643,273,412,779,152
  5. Step 5: Solve for x
    x = 9,643,273,412,779,152/118,838,598.30
  6. Step 6: Final answer
    x = 81,145,970.68

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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.