Home / 110,779,681.07-166,020,985.11-86,217,265.37

Finding the Fourth Proportional to 110,779,681.07, 166,020,985.11 and 86,217,265.37

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Solution

The fourth proportional to 110,779,681.07, 166,020,985.11 and 86,217,265.37 is: 129,210,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,681.07 : 166,020,985.11 = 86,217,265.37 : x
  2. Step 2: Convert to fraction form
    110,779,681.07/166,020,985.11 = 86,217,265.37/x
  3. Step 3: Cross multiply
    110,779,681.07x = 166,020,985.11 × 86,217,265.37
  4. Step 4: Simplify right side
    110,779,681.07x = 14,313,875,329,387,584
  5. Step 5: Solve for x
    x = 14,313,875,329,387,584/110,779,681.07
  6. Step 6: Final answer
    x = 129,210,295.53

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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.