Home / 142,626,877.02-196,824,651.30-79,051,269.92

Finding the Fourth Proportional to 142,626,877.02, 196,824,651.30 and 79,051,269.92

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Solution

The fourth proportional to 142,626,877.02, 196,824,651.30 and 79,051,269.92 is: 109,090,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,626,877.02 : 196,824,651.30 = 79,051,269.92 : x
  2. Step 2: Convert to fraction form
    142,626,877.02/196,824,651.30 = 79,051,269.92/x
  3. Step 3: Cross multiply
    142,626,877.02x = 196,824,651.30 × 79,051,269.92
  4. Step 4: Simplify right side
    142,626,877.02x = 15,559,238,635,842,058
  5. Step 5: Solve for x
    x = 15,559,238,635,842,058/142,626,877.02
  6. Step 6: Final answer
    x = 109,090,509.17

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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.