Home / 82,875,279,210.40-124,312,918,815.60-45,218,007,679.60

Finding the Fourth Proportional to 82,875,279,210.40, 124,312,918,815.60 and 45,218,007,679.60

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Solution

The fourth proportional to 82,875,279,210.40, 124,312,918,815.60 and 45,218,007,679.60 is: 67,827,011,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,875,279,210.40 : 124,312,918,815.60 = 45,218,007,679.60 : x
  2. Step 2: Convert to fraction form
    82,875,279,210.40/124,312,918,815.60 = 45,218,007,679.60/x
  3. Step 3: Cross multiply
    82,875,279,210.40x = 124,312,918,815.60 × 45,218,007,679.60
  4. Step 4: Simplify right side
    82,875,279,210.40x = 5,621,182,517,677,292,257,280
  5. Step 5: Solve for x
    x = 5,621,182,517,677,292,257,280/82,875,279,210.40
  6. Step 6: Final answer
    x = 67,827,011,519.40

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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.