Home / 110,779,223.86-166,020,302.01-86,216,810.28

Finding the Fourth Proportional to 110,779,223.86, 166,020,302.01 and 86,216,810.28

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Solution

The fourth proportional to 110,779,223.86, 166,020,302.01 and 86,216,810.28 is: 129,209,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,223.86 : 166,020,302.01 = 86,216,810.28 : x
  2. Step 2: Convert to fraction form
    110,779,223.86/166,020,302.01 = 86,216,810.28/x
  3. Step 3: Cross multiply
    110,779,223.86x = 166,020,302.01 × 86,216,810.28
  4. Step 4: Simplify right side
    110,779,223.86x = 14,313,740,881,024,472
  5. Step 5: Solve for x
    x = 14,313,740,881,024,472/110,779,223.86
  6. Step 6: Final answer
    x = 129,209,615.15

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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.