Home / 39,865,580.70-59,798,371.05-19,710,188.70

Finding the Fourth Proportional to 39,865,580.70, 59,798,371.05 and 19,710,188.70

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Solution

The fourth proportional to 39,865,580.70, 59,798,371.05 and 19,710,188.70 is: 29,565,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,580.70 : 59,798,371.05 = 19,710,188.70 : x
  2. Step 2: Convert to fraction form
    39,865,580.70/59,798,371.05 = 19,710,188.70/x
  3. Step 3: Cross multiply
    39,865,580.70x = 59,798,371.05 × 19,710,188.70
  4. Step 4: Simplify right side
    39,865,580.70x = 1,178,637,177,348,117
  5. Step 5: Solve for x
    x = 1,178,637,177,348,117/39,865,580.70
  6. Step 6: Final answer
    x = 29,565,283.05

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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.