Home / 123,838,277.12-170,896,931.72-68,084,646.11

Finding the Fourth Proportional to 123,838,277.12, 170,896,931.72 and 68,084,646.11

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Solution

The fourth proportional to 123,838,277.12, 170,896,931.72 and 68,084,646.11 is: 93,956,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838,277.12 : 170,896,931.72 = 68,084,646.11 : x
  2. Step 2: Convert to fraction form
    123,838,277.12/170,896,931.72 = 68,084,646.11/x
  3. Step 3: Cross multiply
    123,838,277.12x = 170,896,931.72 × 68,084,646.11
  4. Step 4: Simplify right side
    123,838,277.12x = 11,635,457,117,441,034
  5. Step 5: Solve for x
    x = 11,635,457,117,441,034/123,838,277.12
  6. Step 6: Final answer
    x = 93,956,871.72

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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.