Home / 105,186,077.94-157,779,118.28-28,509,106.16

Finding the Fourth Proportional to 105,186,077.94, 157,779,118.28 and 28,509,106.16

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Solution

The fourth proportional to 105,186,077.94, 157,779,118.28 and 28,509,106.16 is: 42,763,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186,077.94 : 157,779,118.28 = 28,509,106.16 : x
  2. Step 2: Convert to fraction form
    105,186,077.94/157,779,118.28 = 28,509,106.16/x
  3. Step 3: Cross multiply
    105,186,077.94x = 157,779,118.28 × 28,509,106.16
  4. Step 4: Simplify right side
    105,186,077.94x = 4,498,141,631,944,276
  5. Step 5: Solve for x
    x = 4,498,141,631,944,276/105,186,077.94
  6. Step 6: Final answer
    x = 42,763,659.60

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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.