Home / 141,891,671.40-212,868,999.90-65,196,205.80

Finding the Fourth Proportional to 141,891,671.40, 212,868,999.90 and 65,196,205.80

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Solution

The fourth proportional to 141,891,671.40, 212,868,999.90 and 65,196,205.80 is: 97,808,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,891,671.40 : 212,868,999.90 = 65,196,205.80 : x
  2. Step 2: Convert to fraction form
    141,891,671.40/212,868,999.90 = 65,196,205.80/x
  3. Step 3: Cross multiply
    141,891,671.40x = 212,868,999.90 × 65,196,205.80
  4. Step 4: Simplify right side
    141,891,671.40x = 13,878,251,125,920,580
  5. Step 5: Solve for x
    x = 13,878,251,125,920,580/141,891,671.40
  6. Step 6: Final answer
    x = 97,808,778.97

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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.