Home / 93,312,012.40-139,968,018.60-74,038,418.80

Finding the Fourth Proportional to 93,312,012.40, 139,968,018.60 and 74,038,418.80

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Solution

The fourth proportional to 93,312,012.40, 139,968,018.60 and 74,038,418.80 is: 111,057,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,012.40 : 139,968,018.60 = 74,038,418.80 : x
  2. Step 2: Convert to fraction form
    93,312,012.40/139,968,018.60 = 74,038,418.80/x
  3. Step 3: Cross multiply
    93,312,012.40x = 139,968,018.60 × 74,038,418.80
  4. Step 4: Simplify right side
    93,312,012.40x = 10,363,010,779,712,988
  5. Step 5: Solve for x
    x = 10,363,010,779,712,988/93,312,012.40
  6. Step 6: Final answer
    x = 111,057,628.20

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Similar ratio
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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.