Home / 126,784,362.36-190,145,935.02-52,968,257.40

Finding the Fourth Proportional to 126,784,362.36, 190,145,935.02 and 52,968,257.40

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Solution

The fourth proportional to 126,784,362.36, 190,145,935.02 and 52,968,257.40 is: 79,439,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,784,362.36 : 190,145,935.02 = 52,968,257.40 : x
  2. Step 2: Convert to fraction form
    126,784,362.36/190,145,935.02 = 52,968,257.40/x
  3. Step 3: Cross multiply
    126,784,362.36x = 190,145,935.02 × 52,968,257.40
  4. Step 4: Simplify right side
    126,784,362.36x = 10,071,698,829,703,034
  5. Step 5: Solve for x
    x = 10,071,698,829,703,034/126,784,362.36
  6. Step 6: Final answer
    x = 79,439,598.40

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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.