Home / 156,927,716.02-216,590,230.89-103,910,913.12

Finding the Fourth Proportional to 156,927,716.02, 216,590,230.89 and 103,910,913.12

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Solution

The fourth proportional to 156,927,716.02, 216,590,230.89 and 103,910,913.12 is: 143,416,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927,716.02 : 216,590,230.89 = 103,910,913.12 : x
  2. Step 2: Convert to fraction form
    156,927,716.02/216,590,230.89 = 103,910,913.12/x
  3. Step 3: Cross multiply
    156,927,716.02x = 216,590,230.89 × 103,910,913.12
  4. Step 4: Simplify right side
    156,927,716.02x = 22,506,088,664,651,528
  5. Step 5: Solve for x
    x = 22,506,088,664,651,528/156,927,716.02
  6. Step 6: Final answer
    x = 143,416,913.44

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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.