Home / 191,457,378.02-286,968,218.73-116,509,308.35

Finding the Fourth Proportional to 191,457,378.02, 286,968,218.73 and 116,509,308.35

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Solution

The fourth proportional to 191,457,378.02, 286,968,218.73 and 116,509,308.35 is: 174,631,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,457,378.02 : 286,968,218.73 = 116,509,308.35 : x
  2. Step 2: Convert to fraction form
    191,457,378.02/286,968,218.73 = 116,509,308.35/x
  3. Step 3: Cross multiply
    191,457,378.02x = 286,968,218.73 × 116,509,308.35
  4. Step 4: Simplify right side
    191,457,378.02x = 33,434,468,681,228,976
  5. Step 5: Solve for x
    x = 33,434,468,681,228,976/191,457,378.02
  6. Step 6: Final answer
    x = 174,631,393.30

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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.