Home / 141,788,657.80-212,689,985.10-73,764,209.80

Finding the Fourth Proportional to 141,788,657.80, 212,689,985.10 and 73,764,209.80

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Solution

The fourth proportional to 141,788,657.80, 212,689,985.10 and 73,764,209.80 is: 110,649,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,788,657.80 : 212,689,985.10 = 73,764,209.80 : x
  2. Step 2: Convert to fraction form
    141,788,657.80/212,689,985.10 = 73,764,209.80/x
  3. Step 3: Cross multiply
    141,788,657.80x = 212,689,985.10 × 73,764,209.80
  4. Step 4: Simplify right side
    141,788,657.80x = 15,688,908,683,275,272
  5. Step 5: Solve for x
    x = 15,688,908,683,275,272/141,788,657.80
  6. Step 6: Final answer
    x = 110,649,955.55

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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.