Home / 378,050,922-567,172,027.80-105,421,718.16

Finding the Fourth Proportional to 378,050,922, 567,172,027.80 and 105,421,718.16

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Solution

The fourth proportional to 378,050,922, 567,172,027.80 and 105,421,718.16 is: 158,159,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,050,922 : 567,172,027.80 = 105,421,718.16 : x
  2. Step 2: Convert to fraction form
    378,050,922/567,172,027.80 = 105,421,718.16/x
  3. Step 3: Cross multiply
    378,050,922x = 567,172,027.80 × 105,421,718.16
  4. Step 4: Simplify right side
    378,050,922x = 59,792,249,662,967,280
  5. Step 5: Solve for x
    x = 59,792,249,662,967,280/378,050,922
  6. Step 6: Final answer
    x = 158,159,248.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.