Home / 103,484,585.53-155,226,878.34-42,059,352.97

Finding the Fourth Proportional to 103,484,585.53, 155,226,878.34 and 42,059,352.97

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Solution

The fourth proportional to 103,484,585.53, 155,226,878.34 and 42,059,352.97 is: 63,089,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484,585.53 : 155,226,878.34 = 42,059,352.97 : x
  2. Step 2: Convert to fraction form
    103,484,585.53/155,226,878.34 = 42,059,352.97/x
  3. Step 3: Cross multiply
    103,484,585.53x = 155,226,878.34 × 42,059,352.97
  4. Step 4: Simplify right side
    103,484,585.53x = 6,528,742,066,533,308
  5. Step 5: Solve for x
    x = 6,528,742,066,533,308/103,484,585.53
  6. Step 6: Final answer
    x = 63,089,029.47

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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.