Home / 252,457,875.60-378,686,813.40-155,602,753.35

Finding the Fourth Proportional to 252,457,875.60, 378,686,813.40 and 155,602,753.35

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Solution

The fourth proportional to 252,457,875.60, 378,686,813.40 and 155,602,753.35 is: 233,404,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,457,875.60 : 378,686,813.40 = 155,602,753.35 : x
  2. Step 2: Convert to fraction form
    252,457,875.60/378,686,813.40 = 155,602,753.35/x
  3. Step 3: Cross multiply
    252,457,875.60x = 378,686,813.40 × 155,602,753.35
  4. Step 4: Simplify right side
    252,457,875.60x = 58,924,710,822,377,672
  5. Step 5: Solve for x
    x = 58,924,710,822,377,672/252,457,875.60
  6. Step 6: Final answer
    x = 233,404,130.03

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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.