Home / 256,935,547.40-385,275,794.70-93,166,766.60

Finding the Fourth Proportional to 256,935,547.40, 385,275,794.70 and 93,166,766.60

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Solution

The fourth proportional to 256,935,547.40, 385,275,794.70 and 93,166,766.60 is: 139,703,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,935,547.40 : 385,275,794.70 = 93,166,766.60 : x
  2. Step 2: Convert to fraction form
    256,935,547.40/385,275,794.70 = 93,166,766.60/x
  3. Step 3: Cross multiply
    256,935,547.40x = 385,275,794.70 × 93,166,766.60
  4. Step 4: Simplify right side
    256,935,547.40x = 35,894,900,041,444,412
  5. Step 5: Solve for x
    x = 35,894,900,041,444,412/256,935,547.40
  6. Step 6: Final answer
    x = 139,703,907.87

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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.