Home / 110,779,312.32-166,020,434.56-86,216,897.92

Finding the Fourth Proportional to 110,779,312.32, 166,020,434.56 and 86,216,897.92

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Solution

The fourth proportional to 110,779,312.32, 166,020,434.56 and 86,216,897.92 is: 129,209,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,312.32 : 166,020,434.56 = 86,216,897.92 : x
  2. Step 2: Convert to fraction form
    110,779,312.32/166,020,434.56 = 86,216,897.92/x
  3. Step 3: Cross multiply
    110,779,312.32x = 166,020,434.56 × 86,216,897.92
  4. Step 4: Simplify right side
    110,779,312.32x = 14,313,766,859,093,560
  5. Step 5: Solve for x
    x = 14,313,766,859,093,560/110,779,312.32
  6. Step 6: Final answer
    x = 129,209,746.47

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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.