Home / 145,593,902.24-200,924,543.40-86,106,192.20

Finding the Fourth Proportional to 145,593,902.24, 200,924,543.40 and 86,106,192.20

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Solution

The fourth proportional to 145,593,902.24, 200,924,543.40 and 86,106,192.20 is: 118,829,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,593,902.24 : 200,924,543.40 = 86,106,192.20 : x
  2. Step 2: Convert to fraction form
    145,593,902.24/200,924,543.40 = 86,106,192.20/x
  3. Step 3: Cross multiply
    145,593,902.24x = 200,924,543.40 × 86,106,192.20
  4. Step 4: Simplify right side
    145,593,902.24x = 17,300,847,351,697,642
  5. Step 5: Solve for x
    x = 17,300,847,351,697,642/145,593,902.24
  6. Step 6: Final answer
    x = 118,829,477.65

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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.