Home / 85,018,632,272.67-127,528,425,140.99-28,358,339,724.93

Finding the Fourth Proportional to 85,018,632,272.67, 127,528,425,140.99 and 28,358,339,724.93

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Solution

The fourth proportional to 85,018,632,272.67, 127,528,425,140.99 and 28,358,339,724.93 is: 42,537,668,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,018,632,272.67 : 127,528,425,140.99 = 28,358,339,724.93 : x
  2. Step 2: Convert to fraction form
    85,018,632,272.67/127,528,425,140.99 = 28,358,339,724.93/x
  3. Step 3: Cross multiply
    85,018,632,272.67x = 127,528,425,140.99 × 28,358,339,724.93
  4. Step 4: Simplify right side
    85,018,632,272.67x = 3,616,494,404,733,498,818,560
  5. Step 5: Solve for x
    x = 3,616,494,404,733,498,818,560/85,018,632,272.67
  6. Step 6: Final answer
    x = 42,537,668,603.45

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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.