Home / 107,384,675.77-148,186,681-65,638,638.18

Finding the Fourth Proportional to 107,384,675.77, 148,186,681 and 65,638,638.18

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Solution

The fourth proportional to 107,384,675.77, 148,186,681 and 65,638,638.18 is: 90,578,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,675.77 : 148,186,681 = 65,638,638.18 : x
  2. Step 2: Convert to fraction form
    107,384,675.77/148,186,681 = 65,638,638.18/x
  3. Step 3: Cross multiply
    107,384,675.77x = 148,186,681 × 65,638,638.18
  4. Step 4: Simplify right side
    107,384,675.77x = 9,726,771,937,254,080
  5. Step 5: Solve for x
    x = 9,726,771,937,254,080/107,384,675.77
  6. Step 6: Final answer
    x = 90,578,770.83

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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.