Home / 207,390,985.60-310,869,178.77-96,635,343.30

Finding the Fourth Proportional to 207,390,985.60, 310,869,178.77 and 96,635,343.30

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Solution

The fourth proportional to 207,390,985.60, 310,869,178.77 and 96,635,343.30 is: 144,851,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390,985.60 : 310,869,178.77 = 96,635,343.30 : x
  2. Step 2: Convert to fraction form
    207,390,985.60/310,869,178.77 = 96,635,343.30/x
  3. Step 3: Cross multiply
    207,390,985.60x = 310,869,178.77 × 96,635,343.30
  4. Step 4: Simplify right side
    207,390,985.60x = 30,040,949,811,828,020
  5. Step 5: Solve for x
    x = 30,040,949,811,828,020/207,390,985.60
  6. Step 6: Final answer
    x = 144,851,762.60

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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.