Home / 93,312,089.70-139,968,134.55-70,320,012.90

Finding the Fourth Proportional to 93,312,089.70, 139,968,134.55 and 70,320,012.90

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Solution

The fourth proportional to 93,312,089.70, 139,968,134.55 and 70,320,012.90 is: 105,480,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,089.70 : 139,968,134.55 = 70,320,012.90 : x
  2. Step 2: Convert to fraction form
    93,312,089.70/139,968,134.55 = 70,320,012.90/x
  3. Step 3: Cross multiply
    93,312,089.70x = 139,968,134.55 × 70,320,012.90
  4. Step 4: Simplify right side
    93,312,089.70x = 9,842,561,027,144,938
  5. Step 5: Solve for x
    x = 9,842,561,027,144,938/93,312,089.70
  6. Step 6: Final answer
    x = 105,480,019.35

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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.