Home / 91,875,141,002.30-137,812,711,503.45-77,181,860,234.30

Finding the Fourth Proportional to 91,875,141,002.30, 137,812,711,503.45 and 77,181,860,234.30

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Solution

The fourth proportional to 91,875,141,002.30, 137,812,711,503.45 and 77,181,860,234.30 is: 115,772,790,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875,141,002.30 : 137,812,711,503.45 = 77,181,860,234.30 : x
  2. Step 2: Convert to fraction form
    91,875,141,002.30/137,812,711,503.45 = 77,181,860,234.30/x
  3. Step 3: Cross multiply
    91,875,141,002.30x = 137,812,711,503.45 × 77,181,860,234.30
  4. Step 4: Simplify right side
    91,875,141,002.30x = 10,636,641,437,769,187,459,072
  5. Step 5: Solve for x
    x = 10,636,641,437,769,187,459,072/91,875,141,002.30
  6. Step 6: Final answer
    x = 115,772,790,351.45

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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.