Home / 77,527,513.60-116,291,270.40-53,341,043.20

Finding the Fourth Proportional to 77,527,513.60, 116,291,270.40 and 53,341,043.20

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Solution

The fourth proportional to 77,527,513.60, 116,291,270.40 and 53,341,043.20 is: 80,011,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,527,513.60 : 116,291,270.40 = 53,341,043.20 : x
  2. Step 2: Convert to fraction form
    77,527,513.60/116,291,270.40 = 53,341,043.20/x
  3. Step 3: Cross multiply
    77,527,513.60x = 116,291,270.40 × 53,341,043.20
  4. Step 4: Simplify right side
    77,527,513.60x = 6,203,097,678,189,282
  5. Step 5: Solve for x
    x = 6,203,097,678,189,282/77,527,513.60
  6. Step 6: Final answer
    x = 80,011,564.80

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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.