Home / 112,537,312.79-168,782,349.29-31,739,385.11

Finding the Fourth Proportional to 112,537,312.79, 168,782,349.29 and 31,739,385.11

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Solution

The fourth proportional to 112,537,312.79, 168,782,349.29 and 31,739,385.11 is: 47,602,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,312.79 : 168,782,349.29 = 31,739,385.11 : x
  2. Step 2: Convert to fraction form
    112,537,312.79/168,782,349.29 = 31,739,385.11/x
  3. Step 3: Cross multiply
    112,537,312.79x = 168,782,349.29 × 31,739,385.11
  4. Step 4: Simplify right side
    112,537,312.79x = 5,357,047,982,883,236
  5. Step 5: Solve for x
    x = 5,357,047,982,883,236/112,537,312.79
  6. Step 6: Final answer
    x = 47,602,416.04

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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.