Home / 128,054,496-191,964,041.60-46,153,330.32

Finding the Fourth Proportional to 128,054,496, 191,964,041.60 and 46,153,330.32

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Solution

The fourth proportional to 128,054,496, 191,964,041.60 and 46,153,330.32 is: 69,187,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,054,496 : 191,964,041.60 = 46,153,330.32 : x
  2. Step 2: Convert to fraction form
    128,054,496/191,964,041.60 = 46,153,330.32/x
  3. Step 3: Cross multiply
    128,054,496x = 191,964,041.60 × 46,153,330.32
  4. Step 4: Simplify right side
    128,054,496x = 8,859,779,821,527,021
  5. Step 5: Solve for x
    x = 8,859,779,821,527,021/128,054,496
  6. Step 6: Final answer
    x = 69,187,573.25

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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.