Home / 291,935,623.50-402,872,228.37-157,973,541.30

Finding the Fourth Proportional to 291,935,623.50, 402,872,228.37 and 157,973,541.30

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Solution

The fourth proportional to 291,935,623.50, 402,872,228.37 and 157,973,541.30 is: 218,004,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,623.50 : 402,872,228.37 = 157,973,541.30 : x
  2. Step 2: Convert to fraction form
    291,935,623.50/402,872,228.37 = 157,973,541.30/x
  3. Step 3: Cross multiply
    291,935,623.50x = 402,872,228.37 × 157,973,541.30
  4. Step 4: Simplify right side
    291,935,623.50x = 63,643,152,607,031,232
  5. Step 5: Solve for x
    x = 63,643,152,607,031,232/291,935,623.50
  6. Step 6: Final answer
    x = 218,004,064.88

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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.