Home / 282,481,316.16-423,729,925.80-78,009,391.44

Finding the Fourth Proportional to 282,481,316.16, 423,729,925.80 and 78,009,391.44

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Solution

The fourth proportional to 282,481,316.16, 423,729,925.80 and 78,009,391.44 is: 117,016,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,481,316.16 : 423,729,925.80 = 78,009,391.44 : x
  2. Step 2: Convert to fraction form
    282,481,316.16/423,729,925.80 = 78,009,391.44/x
  3. Step 3: Cross multiply
    282,481,316.16x = 423,729,925.80 × 78,009,391.44
  4. Step 4: Simplify right side
    282,481,316.16x = 33,054,913,646,574,356
  5. Step 5: Solve for x
    x = 33,054,913,646,574,356/282,481,316.16
  6. Step 6: Final answer
    x = 117,016,283.04

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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.