Home / 96,636,779.40-144,860,690.70-86,433,112.20

Finding the Fourth Proportional to 96,636,779.40, 144,860,690.70 and 86,433,112.20

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Solution

The fourth proportional to 96,636,779.40, 144,860,690.70 and 86,433,112.20 is: 129,565,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636,779.40 : 144,860,690.70 = 86,433,112.20 : x
  2. Step 2: Convert to fraction form
    96,636,779.40/144,860,690.70 = 86,433,112.20/x
  3. Step 3: Cross multiply
    96,636,779.40x = 144,860,690.70 × 86,433,112.20
  4. Step 4: Simplify right side
    96,636,779.40x = 12,520,760,332,642,596
  5. Step 5: Solve for x
    x = 12,520,760,332,642,596/96,636,779.40
  6. Step 6: Final answer
    x = 129,565,165.67

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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.