Home / 121,417,235.28-167,565,437.01-77,384,002.32

Finding the Fourth Proportional to 121,417,235.28, 167,565,437.01 and 77,384,002.32

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Solution

The fourth proportional to 121,417,235.28, 167,565,437.01 and 77,384,002.32 is: 106,796,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,417,235.28 : 167,565,437.01 = 77,384,002.32 : x
  2. Step 2: Convert to fraction form
    121,417,235.28/167,565,437.01 = 77,384,002.32/x
  3. Step 3: Cross multiply
    121,417,235.28x = 167,565,437.01 × 77,384,002.32
  4. Step 4: Simplify right side
    121,417,235.28x = 12,966,884,166,333,652
  5. Step 5: Solve for x
    x = 12,966,884,166,333,652/121,417,235.28
  6. Step 6: Final answer
    x = 106,796,075.01

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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.