Home / 77,688,001.20-116,532,001.80-48,966,567.60

Finding the Fourth Proportional to 77,688,001.20, 116,532,001.80 and 48,966,567.60

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Solution

The fourth proportional to 77,688,001.20, 116,532,001.80 and 48,966,567.60 is: 73,449,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,001.20 : 116,532,001.80 = 48,966,567.60 : x
  2. Step 2: Convert to fraction form
    77,688,001.20/116,532,001.80 = 48,966,567.60/x
  3. Step 3: Cross multiply
    77,688,001.20x = 116,532,001.80 × 48,966,567.60
  4. Step 4: Simplify right side
    77,688,001.20x = 5,706,172,143,703,022
  5. Step 5: Solve for x
    x = 5,706,172,143,703,022/77,688,001.20
  6. Step 6: Final answer
    x = 73,449,851.40

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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.