Home / 156,650,868.36-216,184,032.50-93,937,176.72

Finding the Fourth Proportional to 156,650,868.36, 216,184,032.50 and 93,937,176.72

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Solution

The fourth proportional to 156,650,868.36, 216,184,032.50 and 93,937,176.72 is: 129,636,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650,868.36 : 216,184,032.50 = 93,937,176.72 : x
  2. Step 2: Convert to fraction form
    156,650,868.36/216,184,032.50 = 93,937,176.72/x
  3. Step 3: Cross multiply
    156,650,868.36x = 216,184,032.50 × 93,937,176.72
  4. Step 4: Simplify right side
    156,650,868.36x = 20,307,717,664,994,724
  5. Step 5: Solve for x
    x = 20,307,717,664,994,724/156,650,868.36
  6. Step 6: Final answer
    x = 129,636,802.38

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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.