Home / 191,102,938.40-286,654,407.60-104,808,000.80

Finding the Fourth Proportional to 191,102,938.40, 286,654,407.60 and 104,808,000.80

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Solution

The fourth proportional to 191,102,938.40, 286,654,407.60 and 104,808,000.80 is: 157,212,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,102,938.40 : 286,654,407.60 = 104,808,000.80 : x
  2. Step 2: Convert to fraction form
    191,102,938.40/286,654,407.60 = 104,808,000.80/x
  3. Step 3: Cross multiply
    191,102,938.40x = 286,654,407.60 × 104,808,000.80
  4. Step 4: Simplify right side
    191,102,938.40x = 30,043,675,381,064,328
  5. Step 5: Solve for x
    x = 30,043,675,381,064,328/191,102,938.40
  6. Step 6: Final answer
    x = 157,212,001.20

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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.