Home / 93,312,075.15-139,968,112.73-86,509,630.35

Finding the Fourth Proportional to 93,312,075.15, 139,968,112.73 and 86,509,630.35

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Solution

The fourth proportional to 93,312,075.15, 139,968,112.73 and 86,509,630.35 is: 129,764,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,075.15 : 139,968,112.73 = 86,509,630.35 : x
  2. Step 2: Convert to fraction form
    93,312,075.15/139,968,112.73 = 86,509,630.35/x
  3. Step 3: Cross multiply
    93,312,075.15x = 139,968,112.73 × 86,509,630.35
  4. Step 4: Simplify right side
    93,312,075.15x = 12,108,589,693,059,428
  5. Step 5: Solve for x
    x = 12,108,589,693,059,428/93,312,075.15
  6. Step 6: Final answer
    x = 129,764,445.53

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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.