Home / 78,826,223.84-118,239,343.04-23,494,916.07

Finding the Fourth Proportional to 78,826,223.84, 118,239,343.04 and 23,494,916.07

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Solution

The fourth proportional to 78,826,223.84, 118,239,343.04 and 23,494,916.07 is: 35,242,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,223.84 : 118,239,343.04 = 23,494,916.07 : x
  2. Step 2: Convert to fraction form
    78,826,223.84/118,239,343.04 = 23,494,916.07/x
  3. Step 3: Cross multiply
    78,826,223.84x = 118,239,343.04 × 23,494,916.07
  4. Step 4: Simplify right side
    78,826,223.84x = 2,778,023,440,779,264
  5. Step 5: Solve for x
    x = 2,778,023,440,779,264/78,826,223.84
  6. Step 6: Final answer
    x = 35,242,376.28

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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.