Home / 238,656,548.34-358,038,683.70-72,674,901.28

Finding the Fourth Proportional to 238,656,548.34, 358,038,683.70 and 72,674,901.28

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Solution

The fourth proportional to 238,656,548.34, 358,038,683.70 and 72,674,901.28 is: 109,028,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,656,548.34 : 358,038,683.70 = 72,674,901.28 : x
  2. Step 2: Convert to fraction form
    238,656,548.34/358,038,683.70 = 72,674,901.28/x
  3. Step 3: Cross multiply
    238,656,548.34x = 358,038,683.70 × 72,674,901.28
  4. Step 4: Simplify right side
    238,656,548.34x = 26,020,425,993,106,312
  5. Step 5: Solve for x
    x = 26,020,425,993,106,312/238,656,548.34
  6. Step 6: Final answer
    x = 109,028,753.55

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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.