Home / 72,762,646.80-109,156,579.20-29,655,302.16

Finding the Fourth Proportional to 72,762,646.80, 109,156,579.20 and 29,655,302.16

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Solution

The fourth proportional to 72,762,646.80, 109,156,579.20 and 29,655,302.16 is: 44,488,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,762,646.80 : 109,156,579.20 = 29,655,302.16 : x
  2. Step 2: Convert to fraction form
    72,762,646.80/109,156,579.20 = 29,655,302.16/x
  3. Step 3: Cross multiply
    72,762,646.80x = 109,156,579.20 × 29,655,302.16
  4. Step 4: Simplify right side
    72,762,646.80x = 3,237,071,338,927,971
  5. Step 5: Solve for x
    x = 3,237,071,338,927,971/72,762,646.80
  6. Step 6: Final answer
    x = 44,488,092.19

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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.