Home / 103,596,952.60-155,395,428.90-31,784,037.40

Finding the Fourth Proportional to 103,596,952.60, 155,395,428.90 and 31,784,037.40

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Solution

The fourth proportional to 103,596,952.60, 155,395,428.90 and 31,784,037.40 is: 47,676,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596,952.60 : 155,395,428.90 = 31,784,037.40 : x
  2. Step 2: Convert to fraction form
    103,596,952.60/155,395,428.90 = 31,784,037.40/x
  3. Step 3: Cross multiply
    103,596,952.60x = 155,395,428.90 × 31,784,037.40
  4. Step 4: Simplify right side
    103,596,952.60x = 4,939,094,123,946,641
  5. Step 5: Solve for x
    x = 4,939,094,123,946,641/103,596,952.60
  6. Step 6: Final answer
    x = 47,676,056.10

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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.