Home / 256,934,282.40-354,569,681.52-139,459,703.52

Finding the Fourth Proportional to 256,934,282.40, 354,569,681.52 and 139,459,703.52

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Solution

The fourth proportional to 256,934,282.40, 354,569,681.52 and 139,459,703.52 is: 192,454,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,934,282.40 : 354,569,681.52 = 139,459,703.52 : x
  2. Step 2: Convert to fraction form
    256,934,282.40/354,569,681.52 = 139,459,703.52/x
  3. Step 3: Cross multiply
    256,934,282.40x = 354,569,681.52 × 139,459,703.52
  4. Step 4: Simplify right side
    256,934,282.40x = 49,448,182,661,960,024
  5. Step 5: Solve for x
    x = 49,448,182,661,960,024/256,934,282.40
  6. Step 6: Final answer
    x = 192,454,592.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.