Home / 91,050,205.40-136,575,308.10-81,484,267.40

Finding the Fourth Proportional to 91,050,205.40, 136,575,308.10 and 81,484,267.40

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Solution

The fourth proportional to 91,050,205.40, 136,575,308.10 and 81,484,267.40 is: 122,226,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050,205.40 : 136,575,308.10 = 81,484,267.40 : x
  2. Step 2: Convert to fraction form
    91,050,205.40/136,575,308.10 = 81,484,267.40/x
  3. Step 3: Cross multiply
    91,050,205.40x = 136,575,308.10 × 81,484,267.40
  4. Step 4: Simplify right side
    91,050,205.40x = 11,128,738,925,457,786
  5. Step 5: Solve for x
    x = 11,128,738,925,457,786/91,050,205.40
  6. Step 6: Final answer
    x = 122,226,401.10

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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.