Home / 85,050,006.40-127,575,009.60-46,786,254.40

Finding the Fourth Proportional to 85,050,006.40, 127,575,009.60 and 46,786,254.40

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Solution

The fourth proportional to 85,050,006.40, 127,575,009.60 and 46,786,254.40 is: 70,179,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050,006.40 : 127,575,009.60 = 46,786,254.40 : x
  2. Step 2: Convert to fraction form
    85,050,006.40/127,575,009.60 = 46,786,254.40/x
  3. Step 3: Cross multiply
    85,050,006.40x = 127,575,009.60 × 46,786,254.40
  4. Step 4: Simplify right side
    85,050,006.40x = 5,968,756,854,228,042
  5. Step 5: Solve for x
    x = 5,968,756,854,228,042/85,050,006.40
  6. Step 6: Final answer
    x = 70,179,381.60

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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.