Home / 67,828,985.40-101,743,478.10-42,000,952.80

Finding the Fourth Proportional to 67,828,985.40, 101,743,478.10 and 42,000,952.80

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Solution

The fourth proportional to 67,828,985.40, 101,743,478.10 and 42,000,952.80 is: 63,001,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828,985.40 : 101,743,478.10 = 42,000,952.80 : x
  2. Step 2: Convert to fraction form
    67,828,985.40/101,743,478.10 = 42,000,952.80/x
  3. Step 3: Cross multiply
    67,828,985.40x = 101,743,478.10 × 42,000,952.80
  4. Step 4: Simplify right side
    67,828,985.40x = 4,273,323,021,385,933
  5. Step 5: Solve for x
    x = 4,273,323,021,385,933/67,828,985.40
  6. Step 6: Final answer
    x = 63,001,429.20

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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.