Home / 91,875,141,281.80-137,812,711,922.70-77,181,860,513.80

Finding the Fourth Proportional to 91,875,141,281.80, 137,812,711,922.70 and 77,181,860,513.80

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Solution

The fourth proportional to 91,875,141,281.80, 137,812,711,922.70 and 77,181,860,513.80 is: 115,772,790,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875,141,281.80 : 137,812,711,922.70 = 77,181,860,513.80 : x
  2. Step 2: Convert to fraction form
    91,875,141,281.80/137,812,711,922.70 = 77,181,860,513.80/x
  3. Step 3: Cross multiply
    91,875,141,281.80x = 137,812,711,922.70 × 77,181,860,513.80
  4. Step 4: Simplify right side
    91,875,141,281.80x = 10,636,641,508,646,335,807,488
  5. Step 5: Solve for x
    x = 10,636,641,508,646,335,807,488/91,875,141,281.80
  6. Step 6: Final answer
    x = 115,772,790,770.70

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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.