Home / 145,220,841,253.35-217,539,534,531.02-72,312,339,748.50

Finding the Fourth Proportional to 145,220,841,253.35, 217,539,534,531.02 and 72,312,339,748.50

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Solution

The fourth proportional to 145,220,841,253.35, 217,539,534,531.02 and 72,312,339,748.50 is: 108,323,244,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,841,253.35 : 217,539,534,531.02 = 72,312,339,748.50 : x
  2. Step 2: Convert to fraction form
    145,220,841,253.35/217,539,534,531.02 = 72,312,339,748.50/x
  3. Step 3: Cross multiply
    145,220,841,253.35x = 217,539,534,531.02 × 72,312,339,748.50
  4. Step 4: Simplify right side
    145,220,841,253.35x = 15,730,792,729,737,665,970,176
  5. Step 5: Solve for x
    x = 15,730,792,729,737,665,970,176/145,220,841,253.35
  6. Step 6: Final answer
    x = 108,323,244,748.97

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1.5x scale

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.