Home / 117,917,054.16-162,737,643.96-70,889,352.72

Finding the Fourth Proportional to 117,917,054.16, 162,737,643.96 and 70,889,352.72

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Solution

The fourth proportional to 117,917,054.16, 162,737,643.96 and 70,889,352.72 is: 97,834,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917,054.16 : 162,737,643.96 = 70,889,352.72 : x
  2. Step 2: Convert to fraction form
    117,917,054.16/162,737,643.96 = 70,889,352.72/x
  3. Step 3: Cross multiply
    117,917,054.16x = 162,737,643.96 × 70,889,352.72
  4. Step 4: Simplify right side
    117,917,054.16x = 11,536,366,243,502,218
  5. Step 5: Solve for x
    x = 11,536,366,243,502,218/117,917,054.16
  6. Step 6: Final answer
    x = 97,834,586.57

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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.