Home / 83,052,045.60-124,578,068.40-42,237,376.80

Finding the Fourth Proportional to 83,052,045.60, 124,578,068.40 and 42,237,376.80

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Solution

The fourth proportional to 83,052,045.60, 124,578,068.40 and 42,237,376.80 is: 63,356,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,052,045.60 : 124,578,068.40 = 42,237,376.80 : x
  2. Step 2: Convert to fraction form
    83,052,045.60/124,578,068.40 = 42,237,376.80/x
  3. Step 3: Cross multiply
    83,052,045.60x = 124,578,068.40 × 42,237,376.80
  4. Step 4: Simplify right side
    83,052,045.60x = 5,261,850,816,026,973
  5. Step 5: Solve for x
    x = 5,261,850,816,026,973/83,052,045.60
  6. Step 6: Final answer
    x = 63,356,065.20

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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.