Home / 82,944,681.60-124,417,022.40-77,901,686.40

Finding the Fourth Proportional to 82,944,681.60, 124,417,022.40 and 77,901,686.40

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Solution

The fourth proportional to 82,944,681.60, 124,417,022.40 and 77,901,686.40 is: 116,852,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,681.60 : 124,417,022.40 = 77,901,686.40 : x
  2. Step 2: Convert to fraction form
    82,944,681.60/124,417,022.40 = 77,901,686.40/x
  3. Step 3: Cross multiply
    82,944,681.60x = 124,417,022.40 × 77,901,686.40
  4. Step 4: Simplify right side
    82,944,681.60x = 9,692,295,861,826,576
  5. Step 5: Solve for x
    x = 9,692,295,861,826,576/82,944,681.60
  6. Step 6: Final answer
    x = 116,852,529.60

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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.