Home / 72,343,895.16-99,835,707.96-39,304,798.68

Finding the Fourth Proportional to 72,343,895.16, 99,835,707.96 and 39,304,798.68

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Solution

The fourth proportional to 72,343,895.16, 99,835,707.96 and 39,304,798.68 is: 54,241,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343,895.16 : 99,835,707.96 = 39,304,798.68 : x
  2. Step 2: Convert to fraction form
    72,343,895.16/99,835,707.96 = 39,304,798.68/x
  3. Step 3: Cross multiply
    72,343,895.16x = 99,835,707.96 × 39,304,798.68
  4. Step 4: Simplify right side
    72,343,895.16x = 3,924,022,402,443,073
  5. Step 5: Solve for x
    x = 3,924,022,402,443,073/72,343,895.16
  6. Step 6: Final answer
    x = 54,241,237.55

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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.