Home / 141,671,833.79-195,403,061.48-93,900,692.21

Finding the Fourth Proportional to 141,671,833.79, 195,403,061.48 and 93,900,692.21

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Solution

The fourth proportional to 141,671,833.79, 195,403,061.48 and 93,900,692.21 is: 129,513,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,671,833.79 : 195,403,061.48 = 93,900,692.21 : x
  2. Step 2: Convert to fraction form
    141,671,833.79/195,403,061.48 = 93,900,692.21/x
  3. Step 3: Cross multiply
    141,671,833.79x = 195,403,061.48 × 93,900,692.21
  4. Step 4: Simplify right side
    141,671,833.79x = 18,348,482,731,478,668
  5. Step 5: Solve for x
    x = 18,348,482,731,478,668/141,671,833.79
  6. Step 6: Final answer
    x = 129,513,977.77

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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.