Home / 105,034,515.90-157,445,485.65-61,881,506.70

Finding the Fourth Proportional to 105,034,515.90, 157,445,485.65 and 61,881,506.70

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Solution

The fourth proportional to 105,034,515.90, 157,445,485.65 and 61,881,506.70 is: 92,759,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,034,515.90 : 157,445,485.65 = 61,881,506.70 : x
  2. Step 2: Convert to fraction form
    105,034,515.90/157,445,485.65 = 61,881,506.70/x
  3. Step 3: Cross multiply
    105,034,515.90x = 157,445,485.65 × 61,881,506.70
  4. Step 4: Simplify right side
    105,034,515.90x = 9,742,963,875,135,230
  5. Step 5: Solve for x
    x = 9,742,963,875,135,230/105,034,515.90
  6. Step 6: Final answer
    x = 92,759,639.93

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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.