Home / 91,875,501.80-137,813,252.70-45,958,999.40

Finding the Fourth Proportional to 91,875,501.80, 137,813,252.70 and 45,958,999.40

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Solution

The fourth proportional to 91,875,501.80, 137,813,252.70 and 45,958,999.40 is: 68,938,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875,501.80 : 137,813,252.70 = 45,958,999.40 : x
  2. Step 2: Convert to fraction form
    91,875,501.80/137,813,252.70 = 45,958,999.40/x
  3. Step 3: Cross multiply
    91,875,501.80x = 137,813,252.70 × 45,958,999.40
  4. Step 4: Simplify right side
    91,875,501.80x = 6,333,759,198,151,348
  5. Step 5: Solve for x
    x = 6,333,759,198,151,348/91,875,501.80
  6. Step 6: Final answer
    x = 68,938,499.10

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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.