Home / 103,963,569.81-143,464,042.46-56,911,541.01

Finding the Fourth Proportional to 103,963,569.81, 143,464,042.46 and 56,911,541.01

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Solution

The fourth proportional to 103,963,569.81, 143,464,042.46 and 56,911,541.01 is: 78,534,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,569.81 : 143,464,042.46 = 56,911,541.01 : x
  2. Step 2: Convert to fraction form
    103,963,569.81/143,464,042.46 = 56,911,541.01/x
  3. Step 3: Cross multiply
    103,963,569.81x = 143,464,042.46 × 56,911,541.01
  4. Step 4: Simplify right side
    103,963,569.81x = 8,164,759,735,638,114
  5. Step 5: Solve for x
    x = 8,164,759,735,638,114/103,963,569.81
  6. Step 6: Final answer
    x = 78,534,815.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.