Home / 74,640,929.40-111,961,394.10-61,886,345.40

Finding the Fourth Proportional to 74,640,929.40, 111,961,394.10 and 61,886,345.40

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Solution

The fourth proportional to 74,640,929.40, 111,961,394.10 and 61,886,345.40 is: 92,829,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640,929.40 : 111,961,394.10 = 61,886,345.40 : x
  2. Step 2: Convert to fraction form
    74,640,929.40/111,961,394.10 = 61,886,345.40/x
  3. Step 3: Cross multiply
    74,640,929.40x = 111,961,394.10 × 61,886,345.40
  4. Step 4: Simplify right side
    74,640,929.40x = 6,928,881,506,738,122
  5. Step 5: Solve for x
    x = 6,928,881,506,738,122/74,640,929.40
  6. Step 6: Final answer
    x = 92,829,518.10

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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.