Home / 189,495,510.40-284,243,265.60-115,837,787.80

Finding the Fourth Proportional to 189,495,510.40, 284,243,265.60 and 115,837,787.80

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Solution

The fourth proportional to 189,495,510.40, 284,243,265.60 and 115,837,787.80 is: 173,756,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,495,510.40 : 284,243,265.60 = 115,837,787.80 : x
  2. Step 2: Convert to fraction form
    189,495,510.40/284,243,265.60 = 115,837,787.80/x
  3. Step 3: Cross multiply
    189,495,510.40x = 284,243,265.60 × 115,837,787.80
  4. Step 4: Simplify right side
    189,495,510.40x = 32,926,111,084,151,840
  5. Step 5: Solve for x
    x = 32,926,111,084,151,840/189,495,510.40
  6. Step 6: Final answer
    x = 173,756,681.70

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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.