Home / 90,730,553,629.20-136,095,830,443.80-81,742,398,284.40

Finding the Fourth Proportional to 90,730,553,629.20, 136,095,830,443.80 and 81,742,398,284.40

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Solution

The fourth proportional to 90,730,553,629.20, 136,095,830,443.80 and 81,742,398,284.40 is: 122,613,597,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730,553,629.20 : 136,095,830,443.80 = 81,742,398,284.40 : x
  2. Step 2: Convert to fraction form
    90,730,553,629.20/136,095,830,443.80 = 81,742,398,284.40/x
  3. Step 3: Cross multiply
    90,730,553,629.20x = 136,095,830,443.80 × 81,742,398,284.40
  4. Step 4: Simplify right side
    90,730,553,629.20x = 11,124,799,576,983,270,850,560
  5. Step 5: Solve for x
    x = 11,124,799,576,983,270,850,560/90,730,553,629.20
  6. Step 6: Final answer
    x = 122,613,597,426.60

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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.