Home / 105,712,387.04-145,881,304.08-59,301,644.48

Finding the Fourth Proportional to 105,712,387.04, 145,881,304.08 and 59,301,644.48

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Solution

The fourth proportional to 105,712,387.04, 145,881,304.08 and 59,301,644.48 is: 81,835,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,712,387.04 : 145,881,304.08 = 59,301,644.48 : x
  2. Step 2: Convert to fraction form
    105,712,387.04/145,881,304.08 = 59,301,644.48/x
  3. Step 3: Cross multiply
    105,712,387.04x = 145,881,304.08 × 59,301,644.48
  4. Step 4: Simplify right side
    105,712,387.04x = 8,651,001,230,830,934
  5. Step 5: Solve for x
    x = 8,651,001,230,830,934/105,712,387.04
  6. Step 6: Final answer
    x = 81,835,265.22

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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.