Home / 145,996,989.40-218,995,484.10-134,911,523.80

Finding the Fourth Proportional to 145,996,989.40, 218,995,484.10 and 134,911,523.80

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Solution

The fourth proportional to 145,996,989.40, 218,995,484.10 and 134,911,523.80 is: 202,367,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,996,989.40 : 218,995,484.10 = 134,911,523.80 : x
  2. Step 2: Convert to fraction form
    145,996,989.40/218,995,484.10 = 134,911,523.80/x
  3. Step 3: Cross multiply
    145,996,989.40x = 218,995,484.10 × 134,911,523.80
  4. Step 4: Simplify right side
    145,996,989.40x = 29,545,014,465,249,672
  5. Step 5: Solve for x
    x = 29,545,014,465,249,672/145,996,989.40
  6. Step 6: Final answer
    x = 202,367,285.70

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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.