Home / 127,770,307.60-191,655,461.40-76,626,000.40

Finding the Fourth Proportional to 127,770,307.60, 191,655,461.40 and 76,626,000.40

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Solution

The fourth proportional to 127,770,307.60, 191,655,461.40 and 76,626,000.40 is: 114,939,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770,307.60 : 191,655,461.40 = 76,626,000.40 : x
  2. Step 2: Convert to fraction form
    127,770,307.60/191,655,461.40 = 76,626,000.40/x
  3. Step 3: Cross multiply
    127,770,307.60x = 191,655,461.40 × 76,626,000.40
  4. Step 4: Simplify right side
    127,770,307.60x = 14,685,791,461,898,586
  5. Step 5: Solve for x
    x = 14,685,791,461,898,586/127,770,307.60
  6. Step 6: Final answer
    x = 114,939,000.60

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1.5x scale

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.