Home / 55,813,623.12-77,029,184.52-31,036,280.40

Finding the Fourth Proportional to 55,813,623.12, 77,029,184.52 and 31,036,280.40

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Solution

The fourth proportional to 55,813,623.12, 77,029,184.52 and 31,036,280.40 is: 42,833,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813,623.12 : 77,029,184.52 = 31,036,280.40 : x
  2. Step 2: Convert to fraction form
    55,813,623.12/77,029,184.52 = 31,036,280.40/x
  3. Step 3: Cross multiply
    55,813,623.12x = 77,029,184.52 × 31,036,280.40
  4. Step 4: Simplify right side
    55,813,623.12x = 2,390,699,369,746,059
  5. Step 5: Solve for x
    x = 2,390,699,369,746,059/55,813,623.12
  6. Step 6: Final answer
    x = 42,833,617.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.