Home / 91,875,141,001.30-137,812,711,501.95-77,181,860,233.30

Finding the Fourth Proportional to 91,875,141,001.30, 137,812,711,501.95 and 77,181,860,233.30

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Solution

The fourth proportional to 91,875,141,001.30, 137,812,711,501.95 and 77,181,860,233.30 is: 115,772,790,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875,141,001.30 : 137,812,711,501.95 = 77,181,860,233.30 : x
  2. Step 2: Convert to fraction form
    91,875,141,001.30/137,812,711,501.95 = 77,181,860,233.30/x
  3. Step 3: Cross multiply
    91,875,141,001.30x = 137,812,711,501.95 × 77,181,860,233.30
  4. Step 4: Simplify right side
    91,875,141,001.30x = 10,636,641,437,515,601,936,384
  5. Step 5: Solve for x
    x = 10,636,641,437,515,601,936,384/91,875,141,001.30
  6. Step 6: Final answer
    x = 115,772,790,349.95

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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.