Home / 90,522,436.90-124,965,248.70-60,742,430.32

Finding the Fourth Proportional to 90,522,436.90, 124,965,248.70 and 60,742,430.32

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Solution

The fourth proportional to 90,522,436.90, 124,965,248.70 and 60,742,430.32 is: 83,854,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,522,436.90 : 124,965,248.70 = 60,742,430.32 : x
  2. Step 2: Convert to fraction form
    90,522,436.90/124,965,248.70 = 60,742,430.32/x
  3. Step 3: Cross multiply
    90,522,436.90x = 124,965,248.70 × 60,742,430.32
  4. Step 4: Simplify right side
    90,522,436.90x = 7,590,692,911,581,221
  5. Step 5: Solve for x
    x = 7,590,692,911,581,221/90,522,436.90
  6. Step 6: Final answer
    x = 83,854,270.52

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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.