Home / 145,593,901.24-200,924,542.02-86,106,191.20

Finding the Fourth Proportional to 145,593,901.24, 200,924,542.02 and 86,106,191.20

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Solution

The fourth proportional to 145,593,901.24, 200,924,542.02 and 86,106,191.20 is: 118,829,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,593,901.24 : 200,924,542.02 = 86,106,191.20 : x
  2. Step 2: Convert to fraction form
    145,593,901.24/200,924,542.02 = 86,106,191.20/x
  3. Step 3: Cross multiply
    145,593,901.24x = 200,924,542.02 × 86,106,191.20
  4. Step 4: Simplify right side
    145,593,901.24x = 17,300,847,031,946,556
  5. Step 5: Solve for x
    x = 17,300,847,031,946,556/145,593,901.24
  6. Step 6: Final answer
    x = 118,829,476.27

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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.