Home / 105,034,520.40-157,445,492.40-61,881,511.20

Finding the Fourth Proportional to 105,034,520.40, 157,445,492.40 and 61,881,511.20

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Solution

The fourth proportional to 105,034,520.40, 157,445,492.40 and 61,881,511.20 is: 92,759,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,034,520.40 : 157,445,492.40 = 61,881,511.20 : x
  2. Step 2: Convert to fraction form
    105,034,520.40/157,445,492.40 = 61,881,511.20/x
  3. Step 3: Cross multiply
    105,034,520.40x = 157,445,492.40 × 61,881,511.20
  4. Step 4: Simplify right side
    105,034,520.40x = 9,742,965,001,340,116
  5. Step 5: Solve for x
    x = 9,742,965,001,340,116/105,034,520.40
  6. Step 6: Final answer
    x = 92,759,646.68

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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.