Home / 100,583,060.16-138,838,606.56-65,349,071.04

Finding the Fourth Proportional to 100,583,060.16, 138,838,606.56 and 65,349,071.04

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Solution

The fourth proportional to 100,583,060.16, 138,838,606.56 and 65,349,071.04 is: 90,203,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,583,060.16 : 138,838,606.56 = 65,349,071.04 : x
  2. Step 2: Convert to fraction form
    100,583,060.16/138,838,606.56 = 65,349,071.04/x
  3. Step 3: Cross multiply
    100,583,060.16x = 138,838,606.56 × 65,349,071.04
  4. Step 4: Simplify right side
    100,583,060.16x = 9,072,973,963,184,050
  5. Step 5: Solve for x
    x = 9,072,973,963,184,050/100,583,060.16
  6. Step 6: Final answer
    x = 90,203,797.23

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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.